Add 80/70 and 28/9
1st number: 1 10/70, 2nd number: 3 1/9
80/70 + 28/9 is 268/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 9 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 70 × 9 = 630,
80/70 = 80 × 9/70 × 9 = 720/630 - Likewise, for the 2nd fraction, since 9 × 70 = 630,
28/9 = 28 × 70/9 × 70 = 1960/630 - Add the two like fractions:
720/630 + 1960/630 = 720 + 1960/630 = 2680/630 - 2680/630 simplified gives 268/63
- So, 80/70 + 28/9 = 268/63
In mixed form: 416/63
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