Subtract 15/48 from 28/40
28/40 - 15/48 is 31/80.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 48 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 40 × 6 = 240,
28/40 = 28 × 6/40 × 6 = 168/240 - Likewise, for the 2nd fraction, since 48 × 5 = 240,
15/48 = 15 × 5/48 × 5 = 75/240 - Subtract the two like fractions:
168/240 - 75/240 = 168 - 75/240 = 93/240 - After reducing the fraction, the answer is 31/80
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