Add 1/5 and 40/80
1/5 + 40/80 is 7/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 5 × 16 = 80,
1/5 = 1 × 16/5 × 16 = 16/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
40/80 = 40 × 1/80 × 1 = 40/80 - Add the two like fractions:
16/80 + 40/80 = 16 + 40/80 = 56/80 - 56/80 simplified gives 7/10
- So, 1/5 + 40/80 = 7/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/5+40/80 1/10+40/80 3/5+40/80 1/15+40/80 1/25+40/80 7/5+40/80 1/35+40/80