Add 27/70 and 20/12
1st number: 27/70, 2nd number: 1 8/12
27/70 + 20/12 is 431/210.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 12 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 70 × 6 = 420,
27/70 = 27 × 6/70 × 6 = 162/420 - Likewise, for the 2nd fraction, since 12 × 35 = 420,
20/12 = 20 × 35/12 × 35 = 700/420 - Add the two like fractions:
162/420 + 700/420 = 162 + 700/420 = 862/420 - 862/420 simplified gives 431/210
- So, 27/70 + 20/12 = 431/210
In mixed form: 211/210
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