Subtract 50/28 from 9/30, Solve 9/30

Subtract 50/28 from 9/30

1^st number: 9/30, 2^nd number: 1 22/28

9/30 - 50/28 is -52/35.

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,
9/30 = 9 × 14/30 × 14 = 126/420
Likewise, for the 2nd fraction, since 28 × 15 = 420,
50/28 = 50 × 15/28 × 15 = 750/420
Subtract the two like fractions:
126/420 - 750/420 = 126 - 750/420 = -624/420
After reducing the fraction, the answer is -52/35

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