Add 48/9 and 21/42
1st number: 5 3/9, 2nd number: 21/42
48/9 + 21/42 is 35/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 42 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 9 × 14 = 126,
48/9 = 48 × 14/9 × 14 = 672/126 - Likewise, for the 2nd fraction, since 42 × 3 = 126,
21/42 = 21 × 3/42 × 3 = 63/126 - Add the two like fractions:
672/126 + 63/126 = 672 + 63/126 = 735/126 - 735/126 simplified gives 35/6
- So, 48/9 + 21/42 = 35/6
In mixed form: 55/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 96/9+21/42 48/18+21/42 48/9+21/84 48/9+63/42 48/27+21/42 48/45+21/42 48/63+21/42