Subtract 30/63 from 80/60
1st number: 1 20/60, 2nd number: 30/63
80/60 - 30/63 is 6/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 63 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 60 × 21 = 1260,
80/60 = 80 × 21/60 × 21 = 1680/1260 - Likewise, for the 2nd fraction, since 63 × 20 = 1260,
30/63 = 30 × 20/63 × 20 = 600/1260 - Subtract the two like fractions:
1680/1260 - 600/1260 = 1680 - 600/1260 = 1080/1260 - After reducing the fraction, the answer is 6/7
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