Add 20/4 and 80/70
1st number: 5 0/4, 2nd number: 1 10/70
20/4 + 80/70 is 43/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 70 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 4 × 35 = 140,
20/4 = 20 × 35/4 × 35 = 700/140 - Likewise, for the 2nd fraction, since 70 × 2 = 140,
80/70 = 80 × 2/70 × 2 = 160/140 - Add the two like fractions:
700/140 + 160/140 = 700 + 160/140 = 860/140 - 860/140 simplified gives 43/7
- So, 20/4 + 80/70 = 43/7
In mixed form: 61/7
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