Add 8/80 and 18/20
8/80 + 18/20 is 1/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 20 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 80 × 1 = 80,
8/80 = 8 × 1/80 × 1 = 8/80 - Likewise, for the 2nd fraction, since 20 × 4 = 80,
18/20 = 18 × 4/20 × 4 = 72/80 - Add the two like fractions:
8/80 + 72/80 = 8 + 72/80 = 80/80 - 80/80 simplified gives 1/1
- So, 8/80 + 18/20 = 1/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/80+18/20 8/80+36/20 8/80+18/40 24/80+18/20 8/80+54/20 8/80+18/60 40/80+18/20 8/80+90/20 56/80+18/20