Add 4/80 and 20/30
4/80 + 20/30 is 43/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 30 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 80 × 3 = 240,
4/80 = 4 × 3/80 × 3 = 12/240 - Likewise, for the 2nd fraction, since 30 × 8 = 240,
20/30 = 20 × 8/30 × 8 = 160/240 - Add the two like fractions:
12/240 + 160/240 = 12 + 160/240 = 172/240 - 172/240 simplified gives 43/60
- So, 4/80 + 20/30 = 43/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/80+20/30 4/80+40/30 4/80+20/60 12/80+20/30 4/80+60/30 4/80+20/90 20/80+20/30 28/80+20/30