Add 10/3 and 81/7
1st number: 3 1/3, 2nd number: 11 4/7
10/3 + 81/7 is 313/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 7 is 21
Next, find the equivalent fraction of both fractional numbers with denominator 21 - For the 1st fraction, since 3 × 7 = 21,
10/3 = 10 × 7/3 × 7 = 70/21 - Likewise, for the 2nd fraction, since 7 × 3 = 21,
81/7 = 81 × 3/7 × 3 = 243/21 - Add the two like fractions:
70/21 + 243/21 = 70 + 243/21 = 313/21 - So, 10/3 + 81/7 = 313/21
In mixed form: 1419/21
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