Subtract 35/42 from 40/32, Solve 1 8/32

Subtract 35/42 from 40/32

1^st number: 1 8/32, 2^nd number: 35/42

40/32 - 35/42 is 5/12.

Find the least common denominator or LCM of the two denominators:
LCM of 32 and 42 is 672

Next, find the equivalent fraction of both fractional numbers with denominator 672
For the 1st fraction, since 32 × 21 = 672,
40/32 = 40 × 21/32 × 21 = 840/672
Likewise, for the 2nd fraction, since 42 × 16 = 672,
35/42 = 35 × 16/42 × 16 = 560/672
Subtract the two like fractions:
840/672 - 560/672 = 840 - 560/672 = 280/672
After reducing the fraction, the answer is 5/12

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