Add 80/21 and 36/14
1st number: 3 17/21, 2nd number: 2 8/14
80/21 + 36/14 is 134/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 14 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 21 × 2 = 42,
80/21 = 80 × 2/21 × 2 = 160/42 - Likewise, for the 2nd fraction, since 14 × 3 = 42,
36/14 = 36 × 3/14 × 3 = 108/42 - Add the two like fractions:
160/42 + 108/42 = 160 + 108/42 = 268/42 - 268/42 simplified gives 134/21
- So, 80/21 + 36/14 = 134/21
In mixed form: 68/21
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