Subtract 5/70 from 84/8, Solve 10 4/8

Subtract 5/70 from 84/8

1^st number: 10 4/8, 2^nd number: 5/70

84/8 - 5/70 is 73/7.

Find the least common denominator or LCM of the two denominators:
LCM of 8 and 70 is 280

Next, find the equivalent fraction of both fractional numbers with denominator 280
For the 1st fraction, since 8 × 35 = 280,
84/8 = 84 × 35/8 × 35 = 2940/280
Likewise, for the 2nd fraction, since 70 × 4 = 280,
5/70 = 5 × 4/70 × 4 = 20/280
Subtract the two like fractions:
2940/280 - 20/280 = 2940 - 20/280 = 2920/280
After reducing the fraction, the answer is 73/7
In mixed form: 103/7

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