Add 18/20 and 72/10
1st number: 18/20, 2nd number: 7 2/10
18/20 + 72/10 is 81/10.
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,
18/20 = 18 × 1/20 × 1 = 18/20 - Likewise, for the 2nd fraction, since 10 × 2 = 20,
72/10 = 72 × 2/10 × 2 = 144/20 - Add the two like fractions:
18/20 + 144/20 = 18 + 144/20 = 162/20 - 162/20 simplified gives 81/10
- So, 18/20 + 72/10 = 81/10
In mixed form: 81/10
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