Subtract 40/21 from 75/48
1st number: 1 27/48, 2nd number: 1 19/21
75/48 - 40/21 is -115/336.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 21 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 48 × 7 = 336,
75/48 = 75 × 7/48 × 7 = 525/336 - Likewise, for the 2nd fraction, since 21 × 16 = 336,
40/21 = 40 × 16/21 × 16 = 640/336 - Subtract the two like fractions:
525/336 - 640/336 = 525 - 640/336 = -115/336
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