Subtract 15/80 from 72/7
1st number: 10 2/7, 2nd number: 15/80
72/7 - 15/80 is 1131/112.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 80 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 7 × 80 = 560,
72/7 = 72 × 80/7 × 80 = 5760/560 - Likewise, for the 2nd fraction, since 80 × 7 = 560,
15/80 = 15 × 7/80 × 7 = 105/560 - Subtract the two like fractions:
5760/560 - 105/560 = 5760 - 105/560 = 5655/560 - After reducing the fraction, the answer is 1131/112
- In mixed form: 1011/112
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