Subtract 2/20 from 40/9
1st number: 4 4/9, 2nd number: 2/20
40/9 - 2/20 is 391/90.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 20 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 9 × 20 = 180,
40/9 = 40 × 20/9 × 20 = 800/180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,
2/20 = 2 × 9/20 × 9 = 18/180 - Subtract the two like fractions:
800/180 - 18/180 = 800 - 18/180 = 782/180 - After reducing the fraction, the answer is 391/90
- In mixed form: 431/90
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