Add 42/15 and 45/30
1st number: 2 12/15, 2nd number: 1 15/30
42/15 + 45/30 is 43/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 30 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 15 × 2 = 30,
42/15 = 42 × 2/15 × 2 = 84/30 - Likewise, for the 2nd fraction, since 30 × 1 = 30,
45/30 = 45 × 1/30 × 1 = 45/30 - Add the two like fractions:
84/30 + 45/30 = 84 + 45/30 = 129/30 - 129/30 simplified gives 43/10
- So, 42/15 + 45/30 = 43/10
In mixed form: 43/10
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