Subtract 90/7 from 49/9
1st number: 5 4/9, 2nd number: 12 6/7
49/9 - 90/7 is -467/63.
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,
49/9 = 49 × 7/9 × 7 = 343/63 - Likewise, for the 2nd fraction, since 7 × 9 = 63,
90/7 = 90 × 9/7 × 9 = 810/63 - Subtract the two like fractions:
343/63 - 810/63 = 343 - 810/63 = -467/63
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