Subtract 60/20 from 21/9
1st number: 2 3/9, 2nd number: 3 0/20
21/9 - 60/20 is -2/3.
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,
21/9 = 21 × 20/9 × 20 = 420/180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,
60/20 = 60 × 9/20 × 9 = 540/180 - Subtract the two like fractions:
420/180 - 540/180 = 420 - 540/180 = -120/180 - After reducing the fraction, the answer is -2/3
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