Add 20/40 and 60/4
1st number: 20/40, 2nd number: 15 0/4
20/40 + 60/4 is 31/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 4 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 40 × 1 = 40,
20/40 = 20 × 1/40 × 1 = 20/40 - Likewise, for the 2nd fraction, since 4 × 10 = 40,
60/4 = 60 × 10/4 × 10 = 600/40 - Add the two like fractions:
20/40 + 600/40 = 20 + 600/40 = 620/40 - 620/40 simplified gives 31/2
- So, 20/40 + 60/4 = 31/2
In mixed form: 151/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/80+60/4 20/40+60/8 60/40+60/4 20/40+60/12 20/40+60/20 20/40+60/28