Add 8/16 and 4/20
8/16 + 4/20 is 7/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 20 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 16 × 5 = 80,
8/16 = 8 × 5/16 × 5 = 40/80 - Likewise, for the 2nd fraction, since 20 × 4 = 80,
4/20 = 4 × 4/20 × 4 = 16/80 - Add the two like fractions:
40/80 + 16/80 = 40 + 16/80 = 56/80 - 56/80 simplified gives 7/10
- So, 8/16 + 4/20 = 7/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/16+8/20 8/32+4/20 8/16+4/40 24/16+4/20 8/16+12/20 8/48+4/20 8/16+4/60 40/16+4/20 8/80+4/20 56/16+4/20 8/16+28/20