Subtract 15/35 from 56/36, Solve 1 20/36

Subtract 15/35 from 56/36

1^st number: 1 20/36, 2^nd number: 15/35

56/36 - 15/35 is 71/63.

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

Next, find the equivalent fraction of both fractional numbers with denominator 1260
For the 1st fraction, since 36 × 35 = 1260,
56/36 = 56 × 35/36 × 35 = 1960/1260
Likewise, for the 2nd fraction, since 35 × 36 = 1260,
15/35 = 15 × 36/35 × 36 = 540/1260
Subtract the two like fractions:
1960/1260 - 540/1260 = 1960 - 540/1260 = 1420/1260
After reducing the fraction, the answer is 71/63
In mixed form: 18/63

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