2178 ARITHMETIC
To multiply one fraction by another fraction.
To multiply one fraction by another fraction, multiply the numerators together for the numerator of the product, and multiply the denominators together for the denominator of the product, and reduce to simplest form.
Multiply, cancelling when possible :
« X A * X A & X A « X A
4f X A f X A iiXf * X A
A X H tf X A * X A . if X &
To multiply a mixed number by a mixed number.
Multiply 3§ t-y 6§ = £f»* = if- = 22$.
2
To multiply a mixed number by a mixed number, change the mixed numbers to equivalent fractional numbers, and multiply as fractions.
Multiply the following mixed numbers:
3iX** 45|X28i 6fX 9f
2fX3f 821X181 81fX23f
35f X 3f 15f X 15f 17f X 14*
To multiply an integer by a mixed number. Multiply 125 by 4f.
To multiply an integer by a mixed number, multiply the integer by the fractional part of the mixed number, and then by the whole part.
Multiply 128 by 4f.
f i£&.*JL2. ~ JL^LJ. — 563|. When the integer cannot be divided
evenly by the denominator of the fractional part of the mixed number, change the mixed number to a fractional number and multiply. Multiply, using the method best adapted to the example.
164X171 152 X 24f 504 X87-J.
225 X 2f 225 X 16f 72X521
136 X 5£ 192 X 204f 108 X 671
187X16A 5i6X 54& 725X90f
125
__4f
5J25Q
50
500
550
