Add 20/40 and 24/60
20/40 + 24/60 is 9/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 60 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 40 × 3 = 120,
20/40 = 20 × 3/40 × 3 = 60/120 - Likewise, for the 2nd fraction, since 60 × 2 = 120,
24/60 = 24 × 2/60 × 2 = 48/120 - Add the two like fractions:
60/120 + 48/120 = 60 + 48/120 = 108/120 - 108/120 simplified gives 9/10
- So, 20/40 + 24/60 = 9/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/40+48/60 20/80+24/60 60/40+24/60 20/40+72/60