Subtract 18/48 from 3/15
3/15 - 18/48 is -7/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 48 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 15 × 16 = 240,
3/15 = 3 × 16/15 × 16 = 48/240 - Likewise, for the 2nd fraction, since 48 × 5 = 240,
18/48 = 18 × 5/48 × 5 = 90/240 - Subtract the two like fractions:
48/240 - 90/240 = 48 - 90/240 = -42/240 - After reducing the fraction, the answer is -7/40
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