Solutions by everydaycalculation.com

Subtract 3/9 from 12/5

1st number: 2 2/5, 2nd number: 3/9

12/5 - 3/9 is 31/15.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
LCM of 5 and 9 is 45
2. For the 1st fraction, since 5 × 9 = 45,
12/5 = 12 × 9/5 × 9 = 108/45
3. Likewise, for the 2nd fraction, since 9 × 5 = 45,
3/9 = 3 × 5/9 × 5 = 15/45
4. Subtract the two fractions:
108/45 - 15/45 = 108 - 15/45 = 93/45
5. After reducing the fraction, the answer is 31/15
6. In mixed form: 21/15

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