Add 70/30 and 54/20
1st number: 2 10/30, 2nd number: 2 14/20
70/30 + 54/20 is 151/30.
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,
70/30 = 70 × 2/30 × 2 = 140/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
54/20 = 54 × 3/20 × 3 = 162/60 - Add the two like fractions:
140/60 + 162/60 = 140 + 162/60 = 302/60 - 302/60 simplified gives 151/30
- So, 70/30 + 54/20 = 151/30
In mixed form: 51/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/60+54/20 70/30+54/40 70/90+54/20 70/30+54/60