Add 27/30 and 70/20
1st number: 27/30, 2nd number: 3 10/20
27/30 + 70/20 is 22/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 20 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 30 × 2 = 60,
27/30 = 27 × 2/30 × 2 = 54/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
70/20 = 70 × 3/20 × 3 = 210/60 - Add the two like fractions:
54/60 + 210/60 = 54 + 210/60 = 264/60 - 264/60 simplified gives 22/5
- So, 27/30 + 70/20 = 22/5
In mixed form: 42/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/30+70/20 27/60+70/20 27/30+70/40 81/30+70/20 27/90+70/20 27/30+70/60