Add 20/70 and 8/7
1st number: 20/70, 2nd number: 1 1/7
20/70 + 8/7 is 10/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 7 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 70 × 1 = 70,
20/70 = 20 × 1/70 × 1 = 20/70 - Likewise, for the 2nd fraction, since 7 × 10 = 70,
8/7 = 8 × 10/7 × 10 = 80/70 - Add the two like fractions:
20/70 + 80/70 = 20 + 80/70 = 100/70 - 100/70 simplified gives 10/7
- So, 20/70 + 8/7 = 10/7
In mixed form: 13/7
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