Add 3/2 and 20/40
1st number: 1 1/2, 2nd number: 20/40
3/2 + 20/40 is 2/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 40 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 2 × 20 = 40,
3/2 = 3 × 20/2 × 20 = 60/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
20/40 = 20 × 1/40 × 1 = 20/40 - Add the two like fractions:
60/40 + 20/40 = 60 + 20/40 = 80/40 - 80/40 simplified gives 2/1
- So, 3/2 + 20/40 = 2/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/2+20/40 3/4+20/40 3/2+20/80 9/2+20/40 3/2+60/40 3/6+20/40 15/2+20/40 3/10+20/40 21/2+20/40 3/14+20/40