Subtract 70/80 from 72/28
1st number: 2 16/28, 2nd number: 70/80
72/28 - 70/80 is 95/56.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 80 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 28 × 20 = 560,
72/28 = 72 × 20/28 × 20 = 1440/560 - Likewise, for the 2nd fraction, since 80 × 7 = 560,
70/80 = 70 × 7/80 × 7 = 490/560 - Subtract the two like fractions:
1440/560 - 490/560 = 1440 - 490/560 = 950/560 - After reducing the fraction, the answer is 95/56
- In mixed form: 139/56
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