Add 3/7 and 80/20
1st number: 3/7, 2nd number: 4 0/20
3/7 + 80/20 is 31/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 20 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 7 × 20 = 140,
3/7 = 3 × 20/7 × 20 = 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, 3/7 + 80/20 = 31/7
In mixed form: 43/7
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