Add 7/40 and 12/30
7/40 + 12/30 is 23/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 30 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 30 × 4 = 120,
12/30 = 12 × 4/30 × 4 = 48/120 - Add the two like fractions:
21/120 + 48/120 = 21 + 48/120 = 69/120 - 69/120 simplified gives 23/40
- So, 7/40 + 12/30 = 23/40
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