Subtract 2/12 from 42/10, Solve 4 2/10

Subtract 2/12 from 42/10

1^st number: 4 2/10, 2^nd number: 2/12

42/10 - 2/12 is 121/30.

Find the least common denominator or LCM of the two denominators:
LCM of 10 and 12 is 60

Next, find the equivalent fraction of both fractional numbers with denominator 60
For the 1st fraction, since 10 × 6 = 60,
42/10 = 42 × 6/10 × 6 = 252/60
Likewise, for the 2nd fraction, since 12 × 5 = 60,
2/12 = 2 × 5/12 × 5 = 10/60
Subtract the two like fractions:
252/60 - 10/60 = 252 - 10/60 = 242/60
After reducing the fraction, the answer is 121/30
In mixed form: 41/30

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