Add 75/70 and 20/10
1st number: 1 5/70, 2nd number: 2 0/10
75/70 + 20/10 is 43/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 10 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 70 × 1 = 70,
75/70 = 75 × 1/70 × 1 = 75/70 - Likewise, for the 2nd fraction, since 10 × 7 = 70,
20/10 = 20 × 7/10 × 7 = 140/70 - Add the two like fractions:
75/70 + 140/70 = 75 + 140/70 = 215/70 - 215/70 simplified gives 43/14
- So, 75/70 + 20/10 = 43/14
In mixed form: 31/14
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