Add 15/5 and 81/7
1st number: 3 0/5, 2nd number: 11 4/7
15/5 + 81/7 is 102/7.
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,
81/7 = 81 × 5/7 × 5 = 405/35 - Add the two like fractions:
105/35 + 405/35 = 105 + 405/35 = 510/35 - 510/35 simplified gives 102/7
- So, 15/5 + 81/7 = 102/7
In mixed form: 144/7
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