Add 70/20 and 27/10
1st number: 3 10/20, 2nd number: 2 7/10
70/20 + 27/10 is 31/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 10 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 20 × 1 = 20,
70/20 = 70 × 1/20 × 1 = 70/20 - Likewise, for the 2nd fraction, since 10 × 2 = 20,
27/10 = 27 × 2/10 × 2 = 54/20 - Add the two like fractions:
70/20 + 54/20 = 70 + 54/20 = 124/20 - 124/20 simplified gives 31/5
- So, 70/20 + 27/10 = 31/5
In mixed form: 61/5
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