Add 27/70 and 18/5
1st number: 27/70, 2nd number: 3 3/5
27/70 + 18/5 is 279/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 5 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 70 × 1 = 70,
27/70 = 27 × 1/70 × 1 = 27/70 - Likewise, for the 2nd fraction, since 5 × 14 = 70,
18/5 = 18 × 14/5 × 14 = 252/70 - Add the two like fractions:
27/70 + 252/70 = 27 + 252/70 = 279/70 - So, 27/70 + 18/5 = 279/70
In mixed form: 369/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/70+18/5 27/70+36/5 27/70+18/10 81/70+18/5 27/70+54/5 27/70+18/15 27/70+90/5 27/70+18/25 27/70+18/35