Subtract 6/56 from 20/15, Solve 1 5/15

Subtract 6/56 from 20/15

1^st number: 1 5/15, 2^nd number: 6/56

20/15 - 6/56 is 103/84.

Find the least common denominator or LCM of the two denominators:
LCM of 15 and 56 is 840

Next, find the equivalent fraction of both fractional numbers with denominator 840
For the 1st fraction, since 15 × 56 = 840,
20/15 = 20 × 56/15 × 56 = 1120/840
Likewise, for the 2nd fraction, since 56 × 15 = 840,
6/56 = 6 × 15/56 × 15 = 90/840
Subtract the two like fractions:
1120/840 - 90/840 = 1120 - 90/840 = 1030/840
After reducing the fraction, the answer is 103/84
In mixed form: 119/84

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