Add 6/48 and 21/40
6/48 + 21/40 is 13/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 40 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 48 × 5 = 240,
6/48 = 6 × 5/48 × 5 = 30/240 - Likewise, for the 2nd fraction, since 40 × 6 = 240,
21/40 = 21 × 6/40 × 6 = 126/240 - Add the two like fractions:
30/240 + 126/240 = 30 + 126/240 = 156/240 - 156/240 simplified gives 13/20
- So, 6/48 + 21/40 = 13/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/48+21/40 6/48+42/40 6/96+21/40 6/48+21/80 18/48+21/40 6/48+63/40 30/48+21/40 42/48+21/40