Subtract 3/42 from 36/5, Solve 7 1/5

Subtract 3/42 from 36/5

1^st number: 7 1/5, 2^nd number: 3/42

36/5 - 3/42 is 499/70.

Find the least common denominator or LCM of the two denominators:
LCM of 5 and 42 is 210

Next, find the equivalent fraction of both fractional numbers with denominator 210
For the 1st fraction, since 5 × 42 = 210,
36/5 = 36 × 42/5 × 42 = 1512/210
Likewise, for the 2nd fraction, since 42 × 5 = 210,
3/42 = 3 × 5/42 × 5 = 15/210
Subtract the two like fractions:
1512/210 - 15/210 = 1512 - 15/210 = 1497/210
After reducing the fraction, the answer is 499/70
In mixed form: 79/70

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