Add 28/14 and 45/21
1st number: 2 0/14, 2nd number: 2 3/21
28/14 + 45/21 is 29/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 21 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 14 × 3 = 42,
28/14 = 28 × 3/14 × 3 = 84/42 - Likewise, for the 2nd fraction, since 21 × 2 = 42,
45/21 = 45 × 2/21 × 2 = 90/42 - Add the two like fractions:
84/42 + 90/42 = 84 + 90/42 = 174/42 - 174/42 simplified gives 29/7
- So, 28/14 + 45/21 = 29/7
In mixed form: 41/7
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