Subtract 15/9 from 21/48
1st number: 21/48, 2nd number: 1 6/9
21/48 - 15/9 is -59/48.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 9 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 48 × 3 = 144,
21/48 = 21 × 3/48 × 3 = 63/144 - Likewise, for the 2nd fraction, since 9 × 16 = 144,
15/9 = 15 × 16/9 × 16 = 240/144 - Subtract the two like fractions:
63/144 - 240/144 = 63 - 240/144 = -177/144 - After reducing the fraction, the answer is -59/48
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