Add 3/12 and 7/40
3/12 + 7/40 is 17/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 40 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 12 × 10 = 120,
3/12 = 3 × 10/12 × 10 = 30/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
7/40 = 7 × 3/40 × 3 = 21/120 - Add the two like fractions:
30/120 + 21/120 = 30 + 21/120 = 51/120 - 51/120 simplified gives 17/40
- So, 3/12 + 7/40 = 17/40
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