Add 12/40 and 9/15
12/40 + 9/15 is 9/10.
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,
12/40 = 12 × 3/40 × 3 = 36/120 - Likewise, for the 2nd fraction, since 15 × 8 = 120,
9/15 = 9 × 8/15 × 8 = 72/120 - Add the two like fractions:
36/120 + 72/120 = 36 + 72/120 = 108/120 - 108/120 simplified gives 9/10
- So, 12/40 + 9/15 = 9/10
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