Subtract 48/30 from 70/7, Solve 10 0/7

Subtract 48/30 from 70/7

1^st number: 10 0/7, 2^nd number: 1 18/30

70/7 - 48/30 is 42/5.

Find the least common denominator or LCM of the two denominators:
LCM of 7 and 30 is 210

Next, find the equivalent fraction of both fractional numbers with denominator 210
For the 1st fraction, since 7 × 30 = 210,
70/7 = 70 × 30/7 × 30 = 2100/210
Likewise, for the 2nd fraction, since 30 × 7 = 210,
48/30 = 48 × 7/30 × 7 = 336/210
Subtract the two like fractions:
2100/210 - 336/210 = 2100 - 336/210 = 1764/210
After reducing the fraction, the answer is 42/5
In mixed form: 82/5

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