Add 21/10 and 81/14
1st number: 2 1/10, 2nd number: 5 11/14
21/10 + 81/14 is 276/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 14 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 10 × 7 = 70,
21/10 = 21 × 7/10 × 7 = 147/70 - Likewise, for the 2nd fraction, since 14 × 5 = 70,
81/14 = 81 × 5/14 × 5 = 405/70 - Add the two like fractions:
147/70 + 405/70 = 147 + 405/70 = 552/70 - 552/70 simplified gives 276/35
- So, 21/10 + 81/14 = 276/35
In mixed form: 731/35
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