Subtract 45/48 from 63/42
1st number: 1 21/42, 2nd number: 45/48
63/42 - 45/48 is 9/16.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 48 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 42 × 8 = 336,
63/42 = 63 × 8/42 × 8 = 504/336 - Likewise, for the 2nd fraction, since 48 × 7 = 336,
45/48 = 45 × 7/48 × 7 = 315/336 - Subtract the two like fractions:
504/336 - 315/336 = 504 - 315/336 = 189/336 - After reducing the fraction, the answer is 9/16
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