Subtract 18/32 from 20/7, Solve 2 6/7

Subtract 18/32 from 20/7

1^st number: 2 6/7, 2^nd number: 18/32

20/7 - 18/32 is 257/112.

Find the least common denominator or LCM of the two denominators:
LCM of 7 and 32 is 224

Next, find the equivalent fraction of both fractional numbers with denominator 224
For the 1st fraction, since 7 × 32 = 224,
20/7 = 20 × 32/7 × 32 = 640/224
Likewise, for the 2nd fraction, since 32 × 7 = 224,
18/32 = 18 × 7/32 × 7 = 126/224
Subtract the two like fractions:
640/224 - 126/224 = 640 - 126/224 = 514/224
After reducing the fraction, the answer is 257/112
In mixed form: 233/112

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