Subtract 80/21 from 10/9
1st number: 1 1/9, 2nd number: 3 17/21
109 - 8021 is -17063.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 21 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 9 × 7 = 63,
109 = 10 × 79 × 7 = 7063 - Likewise, for the 2nd fraction, since 21 × 3 = 63,
8021 = 80 × 321 × 3 = 24063 - Subtract the two like fractions:
7063 - 24063 = 70 - 24063 = -17063
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