Add 15/35 and 80/20
1st number: 15/35, 2nd number: 4 0/20
15/35 + 80/20 is 31/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 20 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 35 × 4 = 140,
15/35 = 15 × 4/35 × 4 = 60/140 - Likewise, for the 2nd fraction, since 20 × 7 = 140,
80/20 = 80 × 7/20 × 7 = 560/140 - Add the two like fractions:
60/140 + 560/140 = 60 + 560/140 = 620/140 - 620/140 simplified gives 31/7
- So, 15/35 + 80/20 = 31/7
In mixed form: 43/7
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