Subtract 15/42 from 20/16
1st number: 1 4/16, 2nd number: 15/42
20/16 - 15/42 is 25/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 42 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 16 × 21 = 336,
20/16 = 20 × 21/16 × 21 = 420/336 - Likewise, for the 2nd fraction, since 42 × 8 = 336,
15/42 = 15 × 8/42 × 8 = 120/336 - Subtract the two like fractions:
420/336 - 120/336 = 420 - 120/336 = 300/336 - After reducing the fraction, the answer is 25/28
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