Add 21/80 and 4/6
21/80 + 4/6 is 223/240.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 6 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 80 × 3 = 240,
21/80 = 21 × 3/80 × 3 = 63/240 - Likewise, for the 2nd fraction, since 6 × 40 = 240,
4/6 = 4 × 40/6 × 40 = 160/240 - Add the two like fractions:
63/240 + 160/240 = 63 + 160/240 = 223/240 - So, 21/80 + 4/6 = 223/240
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/80+4/6 21/80+8/6 21/80+4/12 63/80+4/6 21/80+12/6 21/80+4/18 21/80+20/6 21/80+4/30 21/80+28/6 21/80+4/42