Add 3/40 and 28/12
1st number: 3/40, 2nd number: 2 4/12
3/40 + 28/12 is 289/120.
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,
3/40 = 3 × 3/40 × 3 = 9/120 - Likewise, for the 2nd fraction, since 12 × 10 = 120,
28/12 = 28 × 10/12 × 10 = 280/120 - Add the two like fractions:
9/120 + 280/120 = 9 + 280/120 = 289/120 - So, 3/40 + 28/12 = 289/120
In mixed form: 249/120
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