Subtract 45/42 from 32/10, Solve 3 2/10

Subtract 45/42 from 32/10

1^st number: 3 2/10, 2^nd number: 1 3/42

32/10 - 45/42 is 149/70.

Find the least common denominator or LCM of the two denominators:
LCM of 10 and 42 is 210

Next, find the equivalent fraction of both fractional numbers with denominator 210
For the 1st fraction, since 10 × 21 = 210,
32/10 = 32 × 21/10 × 21 = 672/210
Likewise, for the 2nd fraction, since 42 × 5 = 210,
45/42 = 45 × 5/42 × 5 = 225/210
Subtract the two like fractions:
672/210 - 225/210 = 672 - 225/210 = 447/210
After reducing the fraction, the answer is 149/70
In mixed form: 29/70

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