Add 40/60 and 15/80
40/60 + 15/80 is 41/48.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 80 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 60 × 4 = 240,
40/60 = 40 × 4/60 × 4 = 160/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
15/80 = 15 × 3/80 × 3 = 45/240 - Add the two like fractions:
160/240 + 45/240 = 160 + 45/240 = 205/240 - 205/240 simplified gives 41/48
- So, 40/60 + 15/80 = 41/48
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/60+15/80 40/60+30/80 40/60+45/80 40/60+75/80