Add 21/48 and 6/20
21/48 + 6/20 is 59/80.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 20 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 48 × 5 = 240,
21/48 = 21 × 5/48 × 5 = 105/240 - Likewise, for the 2nd fraction, since 20 × 12 = 240,
6/20 = 6 × 12/20 × 12 = 72/240 - Add the two like fractions:
105/240 + 72/240 = 105 + 72/240 = 177/240 - 177/240 simplified gives 59/80
- So, 21/48 + 6/20 = 59/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/48+6/20 21/48+12/20 21/96+6/20 21/48+6/40 63/48+6/20 21/48+18/20 21/48+6/60 21/48+30/20 21/48+42/20