Add 18/40 and 15/30
18/40 + 15/30 is 19/20.
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,
18/40 = 18 × 3/40 × 3 = 54/120 - Likewise, for the 2nd fraction, since 30 × 4 = 120,
15/30 = 15 × 4/30 × 4 = 60/120 - Add the two like fractions:
54/120 + 60/120 = 54 + 60/120 = 114/120 - 114/120 simplified gives 19/20
- So, 18/40 + 15/30 = 19/20
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