Add 60/20 and 30/40
1st number: 3 0/20, 2nd number: 30/40
60/20 + 30/40 is 15/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 40 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 20 × 2 = 40,
60/20 = 60 × 2/20 × 2 = 120/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
30/40 = 30 × 1/40 × 1 = 30/40 - Add the two like fractions:
120/40 + 30/40 = 120 + 30/40 = 150/40 - 150/40 simplified gives 15/4
- So, 60/20 + 30/40 = 15/4
In mixed form: 33/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/20+60/40 60/40+30/40 60/20+30/80 60/20+90/40