Subtract 21/9 from 63/5
1st number: 12 3/5, 2nd number: 2 3/9
63/5 - 21/9 is 154/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 9 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 5 × 9 = 45,
63/5 = 63 × 9/5 × 9 = 567/45 - Likewise, for the 2nd fraction, since 9 × 5 = 45,
21/9 = 21 × 5/9 × 5 = 105/45 - Subtract the two like fractions:
567/45 - 105/45 = 567 - 105/45 = 462/45 - After reducing the fraction, the answer is 154/15
- In mixed form: 104/15
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