Subtract 18/72 from 75/7, Solve 10 5/7

Subtract 18/72 from 75/7

1^st number: 10 5/7, 2^nd number: 18/72

75/7 - 18/72 is 293/28.

Find the least common denominator or LCM of the two denominators:
LCM of 7 and 72 is 504

Next, find the equivalent fraction of both fractional numbers with denominator 504
For the 1st fraction, since 7 × 72 = 504,
75/7 = 75 × 72/7 × 72 = 5400/504
Likewise, for the 2nd fraction, since 72 × 7 = 504,
18/72 = 18 × 7/72 × 7 = 126/504
Subtract the two like fractions:
5400/504 - 126/504 = 5400 - 126/504 = 5274/504
After reducing the fraction, the answer is 293/28
In mixed form: 1013/28

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