Add 8/21 and 48/4
1st number: 8/21, 2nd number: 12 0/4
8/21 + 48/4 is 260/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 4 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 21 × 4 = 84,
8/21 = 8 × 4/21 × 4 = 32/84 - Likewise, for the 2nd fraction, since 4 × 21 = 84,
48/4 = 48 × 21/4 × 21 = 1008/84 - Add the two like fractions:
32/84 + 1008/84 = 32 + 1008/84 = 1040/84 - 1040/84 simplified gives 260/21
- So, 8/21 + 48/4 = 260/21
In mixed form: 128/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/21+48/4 8/21+96/4 8/42+48/4 8/21+48/8 24/21+48/4 8/63+48/4 8/21+48/12 40/21+48/4 8/21+48/20 56/21+48/4 8/21+48/28