Add 28/35 and 21/14
1st number: 28/35, 2nd number: 1 7/14
28/35 + 21/14 is 23/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 14 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 35 × 2 = 70,
28/35 = 28 × 2/35 × 2 = 56/70 - Likewise, for the 2nd fraction, since 14 × 5 = 70,
21/14 = 21 × 5/14 × 5 = 105/70 - Add the two like fractions:
56/70 + 105/70 = 56 + 105/70 = 161/70 - 161/70 simplified gives 23/10
- So, 28/35 + 21/14 = 23/10
In mixed form: 23/10
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