Subtract 7/72 from 28/9
1st number: 3 1/9, 2nd number: 7/72
28/9 - 7/72 is 217/72.
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,
28/9 = 28 × 8/9 × 8 = 224/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
7/72 = 7 × 1/72 × 1 = 7/72 - Subtract the two like fractions:
224/72 - 7/72 = 224 - 7/72 = 217/72 - In mixed form: 31/72
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