Add 12/30 and 10/40
12/30 + 10/40 is 13/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 40 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 30 × 4 = 120,
12/30 = 12 × 4/30 × 4 = 48/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
10/40 = 10 × 3/40 × 3 = 30/120 - Add the two like fractions:
48/120 + 30/120 = 48 + 30/120 = 78/120 - 78/120 simplified gives 13/20
- So, 12/30 + 10/40 = 13/20
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