Add 70/9 and 80/63
1st number: 7 7/9, 2nd number: 1 17/63
70/9 + 80/63 is 190/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 63 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 9 × 7 = 63,
70/9 = 70 × 7/9 × 7 = 490/63 - Likewise, for the 2nd fraction, since 63 × 1 = 63,
80/63 = 80 × 1/63 × 1 = 80/63 - Add the two like fractions:
490/63 + 80/63 = 490 + 80/63 = 570/63 - 570/63 simplified gives 190/21
- So, 70/9 + 80/63 = 190/21
In mixed form: 91/21
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