Add 15/30 and 56/40
1st number: 15/30, 2nd number: 1 16/40
15/30 + 56/40 is 19/10.
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,
56/40 = 56 × 3/40 × 3 = 168/120 - Add the two like fractions:
60/120 + 168/120 = 60 + 168/120 = 228/120 - 228/120 simplified gives 19/10
- So, 15/30 + 56/40 = 19/10
In mixed form: 19/10
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