Subtract 90/36 from 4/35, Solve 4/35

Subtract 90/36 from 4/35

1^st number: 4/35, 2^nd number: 2 18/36

4/35 - 90/36 is -167/70.

Find the least common denominator or LCM of the two denominators:
LCM of 35 and 36 is 1260

Next, find the equivalent fraction of both fractional numbers with denominator 1260
For the 1st fraction, since 35 × 36 = 1260,
4/35 = 4 × 36/35 × 36 = 144/1260
Likewise, for the 2nd fraction, since 36 × 35 = 1260,
90/36 = 90 × 35/36 × 35 = 3150/1260
Subtract the two like fractions:
144/1260 - 3150/1260 = 144 - 3150/1260 = -3006/1260
After reducing the fraction, the answer is -167/70

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