Add 15/5 and 9/7
1st number: 3 0/5, 2nd number: 1 2/7
15/5 + 9/7 is 30/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 7 is 35
Next, find the equivalent fraction of both fractional numbers with denominator 35 - For the 1st fraction, since 5 × 7 = 35,
15/5 = 15 × 7/5 × 7 = 105/35 - Likewise, for the 2nd fraction, since 7 × 5 = 35,
9/7 = 9 × 5/7 × 5 = 45/35 - Add the two like fractions:
105/35 + 45/35 = 105 + 45/35 = 150/35 - 150/35 simplified gives 30/7
- So, 15/5 + 9/7 = 30/7
In mixed form: 42/7
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