Subtract 7/72 from 21/9
1st number: 2 3/9, 2nd number: 7/72
219 - 772 is 16172.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 9 × 8 = 72,
219 = 21 × 89 × 8 = 16872 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
772 = 7 × 172 × 1 = 772 - Subtract the two like fractions:
16872 - 772 = 168 - 772 = 16172 - In mixed form: 21772
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