Subtract 49/40 from 18/48
1st number: 18/48, 2nd number: 1 9/40
18/48 - 49/40 is -17/20.
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,
18/48 = 18 × 5/48 × 5 = 90/240 - Likewise, for the 2nd fraction, since 40 × 6 = 240,
49/40 = 49 × 6/40 × 6 = 294/240 - Subtract the two like fractions:
90/240 - 294/240 = 90 - 294/240 = -204/240 - After reducing the fraction, the answer is -17/20
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