Subtract 10/6 from 70/63, Solve 1 7/63

Subtract 10/6 from 70/63

1^st number: 1 7/63, 2^nd number: 1 4/6

70/63 - 10/6 is -5/9.

Find the least common denominator or LCM of the two denominators:
LCM of 63 and 6 is 126

Next, find the equivalent fraction of both fractional numbers with denominator 126
For the 1st fraction, since 63 × 2 = 126,
70/63 = 70 × 2/63 × 2 = 140/126
Likewise, for the 2nd fraction, since 6 × 21 = 126,
10/6 = 10 × 21/6 × 21 = 210/126
Subtract the two like fractions:
140/126 - 210/126 = 140 - 210/126 = -70/126
After reducing the fraction, the answer is -5/9

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