Add 7/30 and 40/15
1st number: 7/30, 2nd number: 2 10/15
7/30 + 40/15 is 29/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 15 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 30 × 1 = 30,
7/30 = 7 × 1/30 × 1 = 7/30 - Likewise, for the 2nd fraction, since 15 × 2 = 30,
40/15 = 40 × 2/15 × 2 = 80/30 - Add the two like fractions:
7/30 + 80/30 = 7 + 80/30 = 87/30 - 87/30 simplified gives 29/10
- So, 7/30 + 40/15 = 29/10
In mixed form: 29/10
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