Subtract 90/63 from 8/70
1st number: 8/70, 2nd number: 1 27/63
8/70 - 90/63 is -46/35.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 63 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 70 × 9 = 630,
8/70 = 8 × 9/70 × 9 = 72/630 - Likewise, for the 2nd fraction, since 63 × 10 = 630,
90/63 = 90 × 10/63 × 10 = 900/630 - Subtract the two like fractions:
72/630 - 900/630 = 72 - 900/630 = -828/630 - After reducing the fraction, the answer is -46/35
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