Add 28/14 and 21/15
1st number: 2 0/14, 2nd number: 1 6/15
28/14 + 21/15 is 17/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 15 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 14 × 15 = 210,
28/14 = 28 × 15/14 × 15 = 420/210 - Likewise, for the 2nd fraction, since 15 × 14 = 210,
21/15 = 21 × 14/15 × 14 = 294/210 - Add the two like fractions:
420/210 + 294/210 = 420 + 294/210 = 714/210 - 714/210 simplified gives 17/5
- So, 28/14 + 21/15 = 17/5
In mixed form: 32/5
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