Subtract 28/72 from 40/28
1st number: 1 12/28, 2nd number: 28/72
40/28 - 28/72 is 131/126.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 72 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 28 × 18 = 504,
40/28 = 40 × 18/28 × 18 = 720/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
28/72 = 28 × 7/72 × 7 = 196/504 - Subtract the two like fractions:
720/504 - 196/504 = 720 - 196/504 = 524/504 - After reducing the fraction, the answer is 131/126
- In mixed form: 15/126
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