Add 70/9 and 84/63
1st number: 7 7/9, 2nd number: 1 21/63
70/9 + 84/63 is 82/9.
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,
84/63 = 84 × 1/63 × 1 = 84/63 - Add the two like fractions:
490/63 + 84/63 = 490 + 84/63 = 574/63 - 574/63 simplified gives 82/9
- So, 70/9 + 84/63 = 82/9
In mixed form: 91/9
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