Subtract 48/27 from 21/72
1st number: 21/72, 2nd number: 1 21/27
21/72 - 48/27 is -107/72.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 27 is 216
Next, find the equivalent fraction of both fractional numbers with denominator 216 - For the 1st fraction, since 72 × 3 = 216,
21/72 = 21 × 3/72 × 3 = 63/216 - Likewise, for the 2nd fraction, since 27 × 8 = 216,
48/27 = 48 × 8/27 × 8 = 384/216 - Subtract the two like fractions:
63/216 - 384/216 = 63 - 384/216 = -321/216 - After reducing the fraction, the answer is -107/72
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