Subtract 42/35 from 8/4, Solve 2 0/4

Subtract 42/35 from 8/4

1^st number: 2 0/4, 2^nd number: 1 7/35

8/4 - 42/35 is 4/5.

Find the least common denominator or LCM of the two denominators:
LCM of 4 and 35 is 140

Next, find the equivalent fraction of both fractional numbers with denominator 140
For the 1st fraction, since 4 × 35 = 140,
8/4 = 8 × 35/4 × 35 = 280/140
Likewise, for the 2nd fraction, since 35 × 4 = 140,
42/35 = 42 × 4/35 × 4 = 168/140
Subtract the two like fractions:
280/140 - 168/140 = 280 - 168/140 = 112/140
After reducing the fraction, the answer is 4/5

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