Subtract 20/30 from 63/18
1st number: 3 9/18, 2nd number: 20/30
63/18 - 20/30 is 17/6.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 30 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
63/18 = 63 × 5/18 × 5 = 315/90 - Likewise, for the 2nd fraction, since 30 × 3 = 90,
20/30 = 20 × 3/30 × 3 = 60/90 - Subtract the two like fractions:
315/90 - 60/90 = 315 - 60/90 = 255/90 - After reducing the fraction, the answer is 17/6
- In mixed form: 25/6
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