Subtract 72/27 from 49/28
1st number: 1 21/28, 2nd number: 2 18/27
49/28 - 72/27 is -11/12.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 27 is 756
Next, find the equivalent fraction of both fractional numbers with denominator 756 - For the 1st fraction, since 28 × 27 = 756,
49/28 = 49 × 27/28 × 27 = 1323/756 - Likewise, for the 2nd fraction, since 27 × 28 = 756,
72/27 = 72 × 28/27 × 28 = 2016/756 - Subtract the two like fractions:
1323/756 - 2016/756 = 1323 - 2016/756 = -693/756 - After reducing the fraction, the answer is -11/12
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