Subtract 81/49 from 36/28
1st number: 1 8/28, 2nd number: 1 32/49
36/28 - 81/49 is -18/49.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 49 is 196
Next, find the equivalent fraction of both fractional numbers with denominator 196 - For the 1st fraction, since 28 × 7 = 196,
36/28 = 36 × 7/28 × 7 = 252/196 - Likewise, for the 2nd fraction, since 49 × 4 = 196,
81/49 = 81 × 4/49 × 4 = 324/196 - Subtract the two like fractions:
252/196 - 324/196 = 252 - 324/196 = -72/196 - After reducing the fraction, the answer is -18/49
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