Add 6/45 and 21/48
6/45 + 21/48 is 137/240.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 48 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 45 × 16 = 720,
6/45 = 6 × 16/45 × 16 = 96/720 - Likewise, for the 2nd fraction, since 48 × 15 = 720,
21/48 = 21 × 15/48 × 15 = 315/720 - Add the two like fractions:
96/720 + 315/720 = 96 + 315/720 = 411/720 - 411/720 simplified gives 137/240
- So, 6/45 + 21/48 = 137/240
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/45+21/48 6/45+42/48 6/90+21/48 6/45+21/96 18/45+21/48 6/45+63/48 30/45+21/48 42/45+21/48