Subtract 54/60 from 30/63
30/63 - 54/60 is -89/210.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 60 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 63 × 20 = 1260,
30/63 = 30 × 20/63 × 20 = 600/1260 - Likewise, for the 2nd fraction, since 60 × 21 = 1260,
54/60 = 54 × 21/60 × 21 = 1134/1260 - Subtract the two like fractions:
600/1260 - 1134/1260 = 600 - 1134/1260 = -534/1260 - After reducing the fraction, the answer is -89/210
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