Add 20/4 and 40/30
1st number: 5 0/4, 2nd number: 1 10/30
20/4 + 40/30 is 19/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 30 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 4 × 15 = 60,
20/4 = 20 × 15/4 × 15 = 300/60 - Likewise, for the 2nd fraction, since 30 × 2 = 60,
40/30 = 40 × 2/30 × 2 = 80/60 - Add the two like fractions:
300/60 + 80/60 = 300 + 80/60 = 380/60 - 380/60 simplified gives 19/3
- So, 20/4 + 40/30 = 19/3
In mixed form: 61/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/4+40/30 20/4+80/30 20/8+40/30 20/4+40/60 60/4+40/30 20/12+40/30 20/4+40/90 20/28+40/30