Add 10/40 and 3/15
10/40 + 3/15 is 9/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 15 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 40 × 3 = 120,
10/40 = 10 × 3/40 × 3 = 30/120 - Likewise, for the 2nd fraction, since 15 × 8 = 120,
3/15 = 3 × 8/15 × 8 = 24/120 - Add the two like fractions:
30/120 + 24/120 = 30 + 24/120 = 54/120 - 54/120 simplified gives 9/20
- So, 10/40 + 3/15 = 9/20
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