Add 40/30 and 3/20
1st number: 1 10/30, 2nd number: 3/20
40/30 + 3/20 is 89/60.
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,
40/30 = 40 × 2/30 × 2 = 80/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
3/20 = 3 × 3/20 × 3 = 9/60 - Add the two like fractions:
80/60 + 9/60 = 80 + 9/60 = 89/60 - So, 40/30 + 3/20 = 89/60
In mixed form: 129/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/30+3/20 40/30+6/20 40/60+3/20 40/30+3/40 40/30+9/20 40/90+3/20 40/30+3/60 40/30+15/20 40/30+21/20