Add 72/10 and 70/20
1st number: 7 2/10, 2nd number: 3 10/20
72/10 + 70/20 is 107/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 20 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 10 × 2 = 20,
72/10 = 72 × 2/10 × 2 = 144/20 - Likewise, for the 2nd fraction, since 20 × 1 = 20,
70/20 = 70 × 1/20 × 1 = 70/20 - Add the two like fractions:
144/20 + 70/20 = 144 + 70/20 = 214/20 - 214/20 simplified gives 107/10
- So, 72/10 + 70/20 = 107/10
In mixed form: 107/10
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