Subtract 21/12 from 50/35
1st number: 1 15/35, 2nd number: 1 9/12
50/35 - 21/12 is -9/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 12 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 35 × 12 = 420,
50/35 = 50 × 12/35 × 12 = 600/420 - Likewise, for the 2nd fraction, since 12 × 35 = 420,
21/12 = 21 × 35/12 × 35 = 735/420 - Subtract the two like fractions:
600/420 - 735/420 = 600 - 735/420 = -135/420 - After reducing the fraction, the answer is -9/28
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