Subtract 18/72 from 28/16
1st number: 1 12/16, 2nd number: 18/72
28/16 - 18/72 is 3/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 72 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 16 × 9 = 144,
28/16 = 28 × 9/16 × 9 = 252/144 - Likewise, for the 2nd fraction, since 72 × 2 = 144,
18/72 = 18 × 2/72 × 2 = 36/144 - Subtract the two like fractions:
252/144 - 36/144 = 252 - 36/144 = 216/144 - After reducing the fraction, the answer is 3/2
- In mixed form: 11/2
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