Add 3/4 and 20/80
3/4 + 20/80 is 1/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 4 × 20 = 80,
3/4 = 3 × 20/4 × 20 = 60/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
20/80 = 20 × 1/80 × 1 = 20/80 - Add the two like fractions:
60/80 + 20/80 = 60 + 20/80 = 80/80 - 80/80 simplified gives 1/1
- So, 3/4 + 20/80 = 1/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/4+20/80 3/4+40/80 3/8+20/80 9/4+20/80 3/4+60/80 3/12+20/80 15/4+20/80 3/20+20/80 21/4+20/80 3/28+20/80