Subtract 36/28 from 5/30, Solve 5/30

Subtract 36/28 from 5/30

1^st number: 5/30, 2^nd number: 1 8/28

5/30 - 36/28 is -47/42.

Find the least common denominator or LCM of the two denominators:
LCM of 30 and 28 is 420

Next, find the equivalent fraction of both fractional numbers with denominator 420
For the 1st fraction, since 30 × 14 = 420,
5/30 = 5 × 14/30 × 14 = 70/420
Likewise, for the 2nd fraction, since 28 × 15 = 420,
36/28 = 36 × 15/28 × 15 = 540/420
Subtract the two like fractions:
70/420 - 540/420 = 70 - 540/420 = -470/420
After reducing the fraction, the answer is -47/42

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