Subtract 24/48 from 40/42
40/42 - 24/48 is 19/42.
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,
40/42 = 40 × 8/42 × 8 = 320/336 - Likewise, for the 2nd fraction, since 48 × 7 = 336,
24/48 = 24 × 7/48 × 7 = 168/336 - Subtract the two like fractions:
320/336 - 168/336 = 320 - 168/336 = 152/336 - After reducing the fraction, the answer is 19/42
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