Add 21/14 and 7/5
1st number: 1 7/14, 2nd number: 1 2/5
21/14 + 7/5 is 29/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 5 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 14 × 5 = 70,
21/14 = 21 × 5/14 × 5 = 105/70 - Likewise, for the 2nd fraction, since 5 × 14 = 70,
7/5 = 7 × 14/5 × 14 = 98/70 - Add the two like fractions:
105/70 + 98/70 = 105 + 98/70 = 203/70 - 203/70 simplified gives 29/10
- So, 21/14 + 7/5 = 29/10
In mixed form: 29/10
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