Add 48/21 and 45/84
1st number: 2 6/21, 2nd number: 45/84
48/21 + 45/84 is 79/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 84 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 21 × 4 = 84,
48/21 = 48 × 4/21 × 4 = 192/84 - Likewise, for the 2nd fraction, since 84 × 1 = 84,
45/84 = 45 × 1/84 × 1 = 45/84 - Add the two like fractions:
192/84 + 45/84 = 192 + 45/84 = 237/84 - 237/84 simplified gives 79/28
- So, 48/21 + 45/84 = 79/28
In mixed form: 223/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 96/21+45/84 48/21+90/84 48/42+45/84 48/63+45/84