Subtract 30/56 from 6/15, Solve 6/15

Subtract 30/56 from 6/15

6/15 - 30/56 is -19/140.

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,
6/15 = 6 × 56/15 × 56 = 336/840
Likewise, for the 2nd fraction, since 56 × 15 = 840,
30/56 = 30 × 15/56 × 15 = 450/840
Subtract the two like fractions:
336/840 - 450/840 = 336 - 450/840 = -114/840
After reducing the fraction, the answer is -19/140

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