Subtract 96/9 from 8/21
1st number: 8/21, 2nd number: 10 6/9
8/21 - 96/9 is -72/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 9 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 21 × 3 = 63,
8/21 = 8 × 3/21 × 3 = 24/63 - Likewise, for the 2nd fraction, since 9 × 7 = 63,
96/9 = 96 × 7/9 × 7 = 672/63 - Subtract the two like fractions:
24/63 - 672/63 = 24 - 672/63 = -648/63 - After reducing the fraction, the answer is -72/7
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