Subtract 42/48 from 80/42
1st number: 1 38/42, 2nd number: 42/48
80/42 - 42/48 is 173/168.
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,
80/42 = 80 × 8/42 × 8 = 640/336 - Likewise, for the 2nd fraction, since 48 × 7 = 336,
42/48 = 42 × 7/48 × 7 = 294/336 - Subtract the two like fractions:
640/336 - 294/336 = 640 - 294/336 = 346/336 - After reducing the fraction, the answer is 173/168
- In mixed form: 15/168
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