Add 2/20 and 80/70
1st number: 2/20, 2nd number: 1 10/70
2/20 + 80/70 is 87/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 70 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 20 × 7 = 140,
2/20 = 2 × 7/20 × 7 = 14/140 - Likewise, for the 2nd fraction, since 70 × 2 = 140,
80/70 = 80 × 2/70 × 2 = 160/140 - Add the two like fractions:
14/140 + 160/140 = 14 + 160/140 = 174/140 - 174/140 simplified gives 87/70
- So, 2/20 + 80/70 = 87/70
In mixed form: 117/70
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