Add 27/18 and 75/70
1st number: 1 9/18, 2nd number: 1 5/70
27/18 + 75/70 is 18/7.
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,
27/18 = 27 × 35/18 × 35 = 945/630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,
75/70 = 75 × 9/70 × 9 = 675/630 - Add the two like fractions:
945/630 + 675/630 = 945 + 675/630 = 1620/630 - 1620/630 simplified gives 18/7
- So, 27/18 + 75/70 = 18/7
In mixed form: 24/7
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