Subtract 72/28 from 49/30
1st number: 1 19/30, 2nd number: 2 16/28
49/30 - 72/28 is -197/210.
Steps for subtracting fractions
- 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,
49/30 = 49 × 14/30 × 14 = 686/420 - Likewise, for the 2nd fraction, since 28 × 15 = 420,
72/28 = 72 × 15/28 × 15 = 1080/420 - Subtract the two like fractions:
686/420 - 1080/420 = 686 - 1080/420 = -394/420 - After reducing the fraction, the answer is -197/210
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