Subtract 8/70 from 63/30, Solve 2 3/30

Subtract 8/70 from 63/30

1^st number: 2 3/30, 2^nd number: 8/70

63/30 - 8/70 is 139/70.

Find the least common denominator or LCM of the two denominators:
LCM of 30 and 70 is 210

Next, find the equivalent fraction of both fractional numbers with denominator 210
For the 1st fraction, since 30 × 7 = 210,
63/30 = 63 × 7/30 × 7 = 441/210
Likewise, for the 2nd fraction, since 70 × 3 = 210,
8/70 = 8 × 3/70 × 3 = 24/210
Subtract the two like fractions:
441/210 - 24/210 = 441 - 24/210 = 417/210
After reducing the fraction, the answer is 139/70
In mixed form: 169/70

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