Subtract 21/72 from 16/6
1st number: 2 4/6, 2nd number: 21/72
16/6 - 21/72 is 19/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 6 × 12 = 72,
16/6 = 16 × 12/6 × 12 = 192/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
21/72 = 21 × 1/72 × 1 = 21/72 - Subtract the two like fractions:
192/72 - 21/72 = 192 - 21/72 = 171/72 - After reducing the fraction, the answer is 19/8
- In mixed form: 23/8
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