Subtract 21/35 from 20/9
1st number: 2 2/9, 2nd number: 21/35
20/9 - 21/35 is 73/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 35 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 9 × 35 = 315,
20/9 = 20 × 35/9 × 35 = 700/315 - Likewise, for the 2nd fraction, since 35 × 9 = 315,
21/35 = 21 × 9/35 × 9 = 189/315 - Subtract the two like fractions:
700/315 - 189/315 = 700 - 189/315 = 511/315 - After reducing the fraction, the answer is 73/45
- In mixed form: 128/45
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