Subtract 30/70 from 80/8, Solve 10 0/8

Subtract 30/70 from 80/8

1^st number: 10 0/8, 2^nd number: 30/70

80/8 - 30/70 is 67/7.

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,
80/8 = 80 × 35/8 × 35 = 2800/280
Likewise, for the 2nd fraction, since 70 × 4 = 280,
30/70 = 30 × 4/70 × 4 = 120/280
Subtract the two like fractions:
2800/280 - 120/280 = 2800 - 120/280 = 2680/280
After reducing the fraction, the answer is 67/7
In mixed form: 94/7

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