Subtract 18/63 from 81/10
1st number: 8 1/10, 2nd number: 18/63
81/10 - 18/63 is 547/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 63 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 10 × 63 = 630,
81/10 = 81 × 63/10 × 63 = 5103/630 - Likewise, for the 2nd fraction, since 63 × 10 = 630,
18/63 = 18 × 10/63 × 10 = 180/630 - Subtract the two like fractions:
5103/630 - 180/630 = 5103 - 180/630 = 4923/630 - After reducing the fraction, the answer is 547/70
- In mixed form: 757/70
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