Subtract 28/18 from 18/16
1st number: 1 2/16, 2nd number: 1 10/18
18/16 - 28/18 is -31/72.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 18 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 16 × 9 = 144,
18/16 = 18 × 9/16 × 9 = 162/144 - Likewise, for the 2nd fraction, since 18 × 8 = 144,
28/18 = 28 × 8/18 × 8 = 224/144 - Subtract the two like fractions:
162/144 - 224/144 = 162 - 224/144 = -62/144 - After reducing the fraction, the answer is -31/72
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