Add 27/70 and 81/8
1st number: 27/70, 2nd number: 10 1/8
27/70 + 81/8 is 2943/280.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 8 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 70 × 4 = 280,
27/70 = 27 × 4/70 × 4 = 108/280 - Likewise, for the 2nd fraction, since 8 × 35 = 280,
81/8 = 81 × 35/8 × 35 = 2835/280 - Add the two like fractions:
108/280 + 2835/280 = 108 + 2835/280 = 2943/280 - So, 27/70 + 81/8 = 2943/280
In mixed form: 10143/280
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/70+81/8 27/70+81/16 81/70+81/8 27/70+81/24 27/70+81/40 27/70+81/56