Add 15/40 and 30/12
1st number: 15/40, 2nd number: 2 6/12
15/40 + 30/12 is 23/8.
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,
15/40 = 15 × 3/40 × 3 = 45/120 - Likewise, for the 2nd fraction, since 12 × 10 = 120,
30/12 = 30 × 10/12 × 10 = 300/120 - Add the two like fractions:
45/120 + 300/120 = 45 + 300/120 = 345/120 - 345/120 simplified gives 23/8
- So, 15/40 + 30/12 = 23/8
In mixed form: 27/8
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