Add 28/18 and 80/70
1st number: 1 10/18, 2nd number: 1 10/70
28/18 + 80/70 is 170/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 70 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 18 × 35 = 630,
28/18 = 28 × 35/18 × 35 = 980/630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,
80/70 = 80 × 9/70 × 9 = 720/630 - Add the two like fractions:
980/630 + 720/630 = 980 + 720/630 = 1700/630 - 1700/630 simplified gives 170/63
- So, 28/18 + 80/70 = 170/63
In mixed form: 244/63
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