Add 40/60 and 35/80
40/60 + 35/80 is 53/48.
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,
35/80 = 35 × 3/80 × 3 = 105/240 - Add the two like fractions:
160/240 + 105/240 = 160 + 105/240 = 265/240 - 265/240 simplified gives 53/48
- So, 40/60 + 35/80 = 53/48
In mixed form: 15/48
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/60+35/80 40/60+70/80