Add 14/4 and 21/5
1st number: 3 2/4, 2nd number: 4 1/5
14/4 + 21/5 is 77/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 5 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 4 × 5 = 20,
14/4 = 14 × 5/4 × 5 = 70/20 - Likewise, for the 2nd fraction, since 5 × 4 = 20,
21/5 = 21 × 4/5 × 4 = 84/20 - Add the two like fractions:
70/20 + 84/20 = 70 + 84/20 = 154/20 - 154/20 simplified gives 77/10
- So, 14/4 + 21/5 = 77/10
In mixed form: 77/10
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