Subtract 18/90 from 15/14
1st number: 1 1/14, 2nd number: 18/90
15/14 - 18/90 is 61/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 90 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 14 × 45 = 630,
15/14 = 15 × 45/14 × 45 = 675/630 - Likewise, for the 2nd fraction, since 90 × 7 = 630,
18/90 = 18 × 7/90 × 7 = 126/630 - Subtract the two like fractions:
675/630 - 126/630 = 675 - 126/630 = 549/630 - After reducing the fraction, the answer is 61/70
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