Subtract 20/48 from 40/21
1st number: 1 19/21, 2nd number: 20/48
40/21 - 20/48 is 125/84.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 48 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 21 × 16 = 336,
40/21 = 40 × 16/21 × 16 = 640/336 - Likewise, for the 2nd fraction, since 48 × 7 = 336,
20/48 = 20 × 7/48 × 7 = 140/336 - Subtract the two like fractions:
640/336 - 140/336 = 640 - 140/336 = 500/336 - After reducing the fraction, the answer is 125/84
- In mixed form: 141/84
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