Subtract 72/63 from 63/20
1st number: 3 3/20, 2nd number: 1 9/63
63/20 - 72/63 is 281/140.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 63 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 20 × 63 = 1260,
63/20 = 63 × 63/20 × 63 = 3969/1260 - Likewise, for the 2nd fraction, since 63 × 20 = 1260,
72/63 = 72 × 20/63 × 20 = 1440/1260 - Subtract the two like fractions:
3969/1260 - 1440/1260 = 3969 - 1440/1260 = 2529/1260 - After reducing the fraction, the answer is 281/140
- In mixed form: 21/140
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