Add 70/9 and 21/54
1st number: 7 7/9, 2nd number: 21/54
70/9 + 21/54 is 49/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 54 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 9 × 6 = 54,
70/9 = 70 × 6/9 × 6 = 420/54 - Likewise, for the 2nd fraction, since 54 × 1 = 54,
21/54 = 21 × 1/54 × 1 = 21/54 - Add the two like fractions:
420/54 + 21/54 = 420 + 21/54 = 441/54 - 441/54 simplified gives 49/6
- So, 70/9 + 21/54 = 49/6
In mixed form: 81/6
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