Subtract 45/80 from 50/7, Solve 7 1/7

Subtract 45/80 from 50/7

1^st number: 7 1/7, 2^nd number: 45/80

50/7 - 45/80 is 737/112.

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,
50/7 = 50 × 80/7 × 80 = 4000/560
Likewise, for the 2nd fraction, since 80 × 7 = 560,
45/80 = 45 × 7/80 × 7 = 315/560
Subtract the two like fractions:
4000/560 - 315/560 = 4000 - 315/560 = 3685/560
After reducing the fraction, the answer is 737/112
In mixed form: 665/112

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