Add 40/3 and 81/10
1st number: 13 1/3, 2nd number: 8 1/10
40/3 + 81/10 is 643/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 10 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 3 × 10 = 30,
40/3 = 40 × 10/3 × 10 = 400/30 - Likewise, for the 2nd fraction, since 10 × 3 = 30,
81/10 = 81 × 3/10 × 3 = 243/30 - Add the two like fractions:
400/30 + 243/30 = 400 + 243/30 = 643/30 - So, 40/3 + 81/10 = 643/30
In mixed form: 2113/30
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