Add 7/40 and 40/12
1st number: 7/40, 2nd number: 3 4/12
7/40 + 40/12 is 421/120.
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,
7/40 = 7 × 3/40 × 3 = 21/120 - Likewise, for the 2nd fraction, since 12 × 10 = 120,
40/12 = 40 × 10/12 × 10 = 400/120 - Add the two like fractions:
21/120 + 400/120 = 21 + 400/120 = 421/120 - So, 7/40 + 40/12 = 421/120
In mixed form: 361/120
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