Add 27/5 and 12/70
1st number: 5 2/5, 2nd number: 12/70
27/5 + 12/70 is 39/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 70 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 5 × 14 = 70,
27/5 = 27 × 14/5 × 14 = 378/70 - Likewise, for the 2nd fraction, since 70 × 1 = 70,
12/70 = 12 × 1/70 × 1 = 12/70 - Add the two like fractions:
378/70 + 12/70 = 378 + 12/70 = 390/70 - 390/70 simplified gives 39/7
- So, 27/5 + 12/70 = 39/7
In mixed form: 54/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/5+12/70 27/5+24/70 27/10+12/70 81/5+12/70 27/5+36/70 27/15+12/70 27/5+60/70 27/25+12/70 27/5+84/70 27/35+12/70