Subtract 70/90 from 90/63
1st number: 1 27/63, 2nd number: 70/90
90/63 - 70/90 is 41/63.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 90 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 63 × 10 = 630,
90/63 = 90 × 10/63 × 10 = 900/630 - Likewise, for the 2nd fraction, since 90 × 7 = 630,
70/90 = 70 × 7/90 × 7 = 490/630 - Subtract the two like fractions:
900/630 - 490/630 = 900 - 490/630 = 410/630 - After reducing the fraction, the answer is 41/63
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