Add 80/35 and 84/63
1st number: 2 10/35, 2nd number: 1 21/63
80/35 + 84/63 is 76/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 63 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 35 × 9 = 315,
80/35 = 80 × 9/35 × 9 = 720/315 - Likewise, for the 2nd fraction, since 63 × 5 = 315,
84/63 = 84 × 5/63 × 5 = 420/315 - Add the two like fractions:
720/315 + 420/315 = 720 + 420/315 = 1140/315 - 1140/315 simplified gives 76/21
- So, 80/35 + 84/63 = 76/21
In mixed form: 313/21
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