Subtract 72/80 from 54/14
1st number: 3 12/14, 2nd number: 72/80
54/14 - 72/80 is 207/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 80 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 14 × 40 = 560,
54/14 = 54 × 40/14 × 40 = 2160/560 - Likewise, for the 2nd fraction, since 80 × 7 = 560,
72/80 = 72 × 7/80 × 7 = 504/560 - Subtract the two like fractions:
2160/560 - 504/560 = 2160 - 504/560 = 1656/560 - After reducing the fraction, the answer is 207/70
- In mixed form: 267/70
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