Subtract 9/42 from 48/35, Solve 1 13/35

Subtract 9/42 from 48/35

1^st number: 1 13/35, 2^nd number: 9/42

48/35 - 9/42 is 81/70.

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,
48/35 = 48 × 6/35 × 6 = 288/210
Likewise, for the 2nd fraction, since 42 × 5 = 210,
9/42 = 9 × 5/42 × 5 = 45/210
Subtract the two like fractions:
288/210 - 45/210 = 288 - 45/210 = 243/210
After reducing the fraction, the answer is 81/70
In mixed form: 111/70

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