Subtract 36/21 from 45/48
1st number: 45/48, 2nd number: 1 15/21
45/48 - 36/21 is -87/112.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 21 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 48 × 7 = 336,
45/48 = 45 × 7/48 × 7 = 315/336 - Likewise, for the 2nd fraction, since 21 × 16 = 336,
36/21 = 36 × 16/21 × 16 = 576/336 - Subtract the two like fractions:
315/336 - 576/336 = 315 - 576/336 = -261/336 - After reducing the fraction, the answer is -87/112
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