Subtract 90/7 from 50/9
1st number: 5 5/9, 2nd number: 12 6/7
50/9 - 90/7 is -460/63.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 7 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 9 × 7 = 63,
50/9 = 50 × 7/9 × 7 = 350/63 - Likewise, for the 2nd fraction, since 7 × 9 = 63,
90/7 = 90 × 9/7 × 9 = 810/63 - Subtract the two like fractions:
350/63 - 810/63 = 350 - 810/63 = -460/63
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