Add 63/80 and 45/50
63/80 + 45/50 is 27/16.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 50 is 400
Next, find the equivalent fraction of both fractional numbers with denominator 400 - For the 1st fraction, since 80 × 5 = 400,
63/80 = 63 × 5/80 × 5 = 315/400 - Likewise, for the 2nd fraction, since 50 × 8 = 400,
45/50 = 45 × 8/50 × 8 = 360/400 - Add the two like fractions:
315/400 + 360/400 = 315 + 360/400 = 675/400 - 675/400 simplified gives 27/16
- So, 63/80 + 45/50 = 27/16
In mixed form: 111/16
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/80+90/50