Add 63/80 and 8/20
63/80 + 8/20 is 19/16.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 20 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 80 × 1 = 80,
63/80 = 63 × 1/80 × 1 = 63/80 - Likewise, for the 2nd fraction, since 20 × 4 = 80,
8/20 = 8 × 4/20 × 4 = 32/80 - Add the two like fractions:
63/80 + 32/80 = 63 + 32/80 = 95/80 - 95/80 simplified gives 19/16
- So, 63/80 + 8/20 = 19/16
In mixed form: 13/16
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/80+16/20 63/80+8/40 63/80+24/20 63/80+8/60 63/80+40/20 63/80+56/20