Add 60/80 and 40/75
60/80 + 40/75 is 77/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 75 is 1200
Next, find the equivalent fraction of both fractional numbers with denominator 1200 - For the 1st fraction, since 80 × 15 = 1200,
60/80 = 60 × 15/80 × 15 = 900/1200 - Likewise, for the 2nd fraction, since 75 × 16 = 1200,
40/75 = 40 × 16/75 × 16 = 640/1200 - Add the two like fractions:
900/1200 + 640/1200 = 900 + 640/1200 = 1540/1200 - 1540/1200 simplified gives 77/60
- So, 60/80 + 40/75 = 77/60
In mixed form: 117/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/80+80/75