Subtract 28/16 from 72/9
1st number: 8 0/9, 2nd number: 1 12/16
72/9 - 28/16 is 25/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 16 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 9 × 16 = 144,
72/9 = 72 × 16/9 × 16 = 1152/144 - Likewise, for the 2nd fraction, since 16 × 9 = 144,
28/16 = 28 × 9/16 × 9 = 252/144 - Subtract the two like fractions:
1152/144 - 252/144 = 1152 - 252/144 = 900/144 - After reducing the fraction, the answer is 25/4
- In mixed form: 61/4
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