Add 5/6 and 45/70
5/6 + 45/70 is 31/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 70 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 6 × 35 = 210,
5/6 = 5 × 35/6 × 35 = 175/210 - Likewise, for the 2nd fraction, since 70 × 3 = 210,
45/70 = 45 × 3/70 × 3 = 135/210 - Add the two like fractions:
175/210 + 135/210 = 175 + 135/210 = 310/210 - 310/210 simplified gives 31/21
- So, 5/6 + 45/70 = 31/21
In mixed form: 110/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/6+45/70 5/6+90/70 5/12+45/70 15/6+45/70 5/18+45/70 25/6+45/70 5/30+45/70 35/6+45/70 5/42+45/70