Subtract 45/21 from 56/48
1st number: 1 8/48, 2nd number: 2 3/21
56/48 - 45/21 is -41/42.
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,
56/48 = 56 × 7/48 × 7 = 392/336 - Likewise, for the 2nd fraction, since 21 × 16 = 336,
45/21 = 45 × 16/21 × 16 = 720/336 - Subtract the two like fractions:
392/336 - 720/336 = 392 - 720/336 = -328/336 - After reducing the fraction, the answer is -41/42
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