Subtract 63/30 from 30/35, Solve 30/35

Subtract 63/30 from 30/35

1^st number: 30/35, 2^nd number: 2 3/30

30/35 - 63/30 is -87/70.

Find the least common denominator or LCM of the two denominators:
LCM of 35 and 30 is 210

Next, find the equivalent fraction of both fractional numbers with denominator 210
For the 1st fraction, since 35 × 6 = 210,
30/35 = 30 × 6/35 × 6 = 180/210
Likewise, for the 2nd fraction, since 30 × 7 = 210,
63/30 = 63 × 7/30 × 7 = 441/210
Subtract the two like fractions:
180/210 - 441/210 = 180 - 441/210 = -261/210
After reducing the fraction, the answer is -87/70

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