Add 3/20 and 25/40
3/20 + 25/40 is 31/40.
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,
3/20 = 3 × 2/20 × 2 = 6/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
25/40 = 25 × 1/40 × 1 = 25/40 - Add the two like fractions:
6/40 + 25/40 = 6 + 25/40 = 31/40 - So, 3/20 + 25/40 = 31/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/20+25/40 3/20+50/40 3/40+25/40 3/20+25/80 9/20+25/40 3/20+75/40 3/60+25/40 15/20+25/40 21/20+25/40