Subtract 4/48 from 40/21
1st number: 1 19/21, 2nd number: 4/48
40/21 - 4/48 is 51/28.
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,
4/48 = 4 × 7/48 × 7 = 28/336 - Subtract the two like fractions:
640/336 - 28/336 = 640 - 28/336 = 612/336 - After reducing the fraction, the answer is 51/28
- In mixed form: 123/28
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