Subtract 40/9 from 21/48
1st number: 21/48, 2nd number: 4 4/9
21/48 - 40/9 is -577/144.
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,
40/9 = 40 × 16/9 × 16 = 640/144 - Subtract the two like fractions:
63/144 - 640/144 = 63 - 640/144 = -577/144
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