Subtract 45/28 from 72/16
1st number: 4 8/16, 2nd number: 1 17/28
72/16 - 45/28 is 81/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 28 is 112
Next, find the equivalent fraction of both fractional numbers with denominator 112 - For the 1st fraction, since 16 × 7 = 112,
72/16 = 72 × 7/16 × 7 = 504/112 - Likewise, for the 2nd fraction, since 28 × 4 = 112,
45/28 = 45 × 4/28 × 4 = 180/112 - Subtract the two like fractions:
504/112 - 180/112 = 504 - 180/112 = 324/112 - After reducing the fraction, the answer is 81/28
- In mixed form: 225/28
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