Add 80/49 and 84/63
1st number: 1 31/49, 2nd number: 1 21/63
80/49 + 84/63 is 436/147.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 63 is 441
Next, find the equivalent fraction of both fractional numbers with denominator 441 - For the 1st fraction, since 49 × 9 = 441,
80/49 = 80 × 9/49 × 9 = 720/441 - Likewise, for the 2nd fraction, since 63 × 7 = 441,
84/63 = 84 × 7/63 × 7 = 588/441 - Add the two like fractions:
720/441 + 588/441 = 720 + 588/441 = 1308/441 - 1308/441 simplified gives 436/147
- So, 80/49 + 84/63 = 436/147
In mixed form: 2142/147
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