Subtract 15/40 from 7/48
7/48 - 15/40 is -11/48.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 40 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 48 × 5 = 240,
7/48 = 7 × 5/48 × 5 = 35/240 - Likewise, for the 2nd fraction, since 40 × 6 = 240,
15/40 = 15 × 6/40 × 6 = 90/240 - Subtract the two like fractions:
35/240 - 90/240 = 35 - 90/240 = -55/240 - After reducing the fraction, the answer is -11/48
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