Add 15/30 and 16/40
15/30 + 16/40 is 9/10.
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,
15/30 = 15 × 4/30 × 4 = 60/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
16/40 = 16 × 3/40 × 3 = 48/120 - Add the two like fractions:
60/120 + 48/120 = 60 + 48/120 = 108/120 - 108/120 simplified gives 9/10
- So, 15/30 + 16/40 = 9/10
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