Subtract 90/48 from 28/15
1st number: 1 13/15, 2nd number: 1 42/48
28/15 - 90/48 is -1/120.
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,
28/15 = 28 × 16/15 × 16 = 448/240 - Likewise, for the 2nd fraction, since 48 × 5 = 240,
90/48 = 90 × 5/48 × 5 = 450/240 - Subtract the two like fractions:
448/240 - 450/240 = 448 - 450/240 = -2/240 - After reducing the fraction, the answer is -1/120
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