Subtract 84/16 from 72/28
1st number: 2 16/28, 2nd number: 5 4/16
72/28 - 84/16 is -75/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 16 is 112
Next, find the equivalent fraction of both fractional numbers with denominator 112 - For the 1st fraction, since 28 × 4 = 112,
72/28 = 72 × 4/28 × 4 = 288/112 - Likewise, for the 2nd fraction, since 16 × 7 = 112,
84/16 = 84 × 7/16 × 7 = 588/112 - Subtract the two like fractions:
288/112 - 588/112 = 288 - 588/112 = -300/112 - After reducing the fraction, the answer is -75/28
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