Add 20/5 and 81/10
1st number: 4 0/5, 2nd number: 8 1/10
20/5 + 81/10 is 121/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 10 is 10
Next, find the equivalent fraction of both fractional numbers with denominator 10 - For the 1st fraction, since 5 × 2 = 10,
20/5 = 20 × 2/5 × 2 = 40/10 - Likewise, for the 2nd fraction, since 10 × 1 = 10,
81/10 = 81 × 1/10 × 1 = 81/10 - Add the two like fractions:
40/10 + 81/10 = 40 + 81/10 = 121/10 - So, 20/5 + 81/10 = 121/10
In mixed form: 121/10
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