Subtract 45/42 from 16/35, Solve 16/35

Subtract 45/42 from 16/35

1^st number: 16/35, 2^nd number: 1 3/42

16/35 - 45/42 is -43/70.

Find the least common denominator or LCM of the two denominators:
LCM of 35 and 42 is 210

Next, find the equivalent fraction of both fractional numbers with denominator 210
For the 1st fraction, since 35 × 6 = 210,
16/35 = 16 × 6/35 × 6 = 96/210
Likewise, for the 2nd fraction, since 42 × 5 = 210,
45/42 = 45 × 5/42 × 5 = 225/210
Subtract the two like fractions:
96/210 - 225/210 = 96 - 225/210 = -129/210
After reducing the fraction, the answer is -43/70

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