Add 80/84 and 63/35
1st number: 80/84, 2nd number: 1 28/35
80/84 + 63/35 is 289/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 35 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 84 × 5 = 420,
80/84 = 80 × 5/84 × 5 = 400/420 - Likewise, for the 2nd fraction, since 35 × 12 = 420,
63/35 = 63 × 12/35 × 12 = 756/420 - Add the two like fractions:
400/420 + 756/420 = 400 + 756/420 = 1156/420 - 1156/420 simplified gives 289/105
- So, 80/84 + 63/35 = 289/105
In mixed form: 279/105
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