Add 10/7 and 20/70
1st number: 1 3/7, 2nd number: 20/70
10/7 + 20/70 is 12/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 70 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 7 × 10 = 70,
10/7 = 10 × 10/7 × 10 = 100/70 - Likewise, for the 2nd fraction, since 70 × 1 = 70,
20/70 = 20 × 1/70 × 1 = 20/70 - Add the two like fractions:
100/70 + 20/70 = 100 + 20/70 = 120/70 - 120/70 simplified gives 12/7
- So, 10/7 + 20/70 = 12/7
In mixed form: 15/7
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