Add 9/40 and 45/12
1st number: 9/40, 2nd number: 3 9/12
9/40 + 45/12 is 159/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 12 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 40 × 3 = 120,
9/40 = 9 × 3/40 × 3 = 27/120 - Likewise, for the 2nd fraction, since 12 × 10 = 120,
45/12 = 45 × 10/12 × 10 = 450/120 - Add the two like fractions:
27/120 + 450/120 = 27 + 450/120 = 477/120 - 477/120 simplified gives 159/40
- So, 9/40 + 45/12 = 159/40
In mixed form: 339/40
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