Subtract 18/8 from 63/30, Solve 2 3/30

Subtract 18/8 from 63/30

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

63/30 - 18/8 is -3/20.

Find the least common denominator or LCM of the two denominators:
LCM of 30 and 8 is 120

Next, find the equivalent fraction of both fractional numbers with denominator 120
For the 1st fraction, since 30 × 4 = 120,
63/30 = 63 × 4/30 × 4 = 252/120
Likewise, for the 2nd fraction, since 8 × 15 = 120,
18/8 = 18 × 15/8 × 15 = 270/120
Subtract the two like fractions:
252/120 - 270/120 = 252 - 270/120 = -18/120
After reducing the fraction, the answer is -3/20

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