Add 20/5 and 15/7
1st number: 4 0/5, 2nd number: 2 1/7
20/5 + 15/7 is 43/7.
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,
20/5 = 20 × 7/5 × 7 = 140/35 - Likewise, for the 2nd fraction, since 7 × 5 = 35,
15/7 = 15 × 5/7 × 5 = 75/35 - Add the two like fractions:
140/35 + 75/35 = 140 + 75/35 = 215/35 - 215/35 simplified gives 43/7
- So, 20/5 + 15/7 = 43/7
In mixed form: 61/7
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