Add 54/80 and 35/75
54/80 + 35/75 is 137/120.
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,
54/80 = 54 × 15/80 × 15 = 810/1200 - Likewise, for the 2nd fraction, since 75 × 16 = 1200,
35/75 = 35 × 16/75 × 16 = 560/1200 - Add the two like fractions:
810/1200 + 560/1200 = 810 + 560/1200 = 1370/1200 - 1370/1200 simplified gives 137/120
- So, 54/80 + 35/75 = 137/120
In mixed form: 117/120
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/80+70/75