Subtract 50/7 from 5/15, Solve 5/15

Subtract 50/7 from 5/15

1^st number: 5/15, 2^nd number: 7 1/7

5/15 - 50/7 is -143/21.

Find the least common denominator or LCM of the two denominators:
LCM of 15 and 7 is 105

Next, find the equivalent fraction of both fractional numbers with denominator 105
For the 1st fraction, since 15 × 7 = 105,
5/15 = 5 × 7/15 × 7 = 35/105
Likewise, for the 2nd fraction, since 7 × 15 = 105,
50/7 = 50 × 15/7 × 15 = 750/105
Subtract the two like fractions:
35/105 - 750/105 = 35 - 750/105 = -715/105
After reducing the fraction, the answer is -143/21

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