Subtract 3/40 from 15/48
15/48 - 3/40 is 19/80.
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,
15/48 = 15 × 5/48 × 5 = 75/240 - Likewise, for the 2nd fraction, since 40 × 6 = 240,
3/40 = 3 × 6/40 × 6 = 18/240 - Subtract the two like fractions:
75/240 - 18/240 = 75 - 18/240 = 57/240 - After reducing the fraction, the answer is 19/80
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