Add 49/21 and 4/12
1st number: 2 7/21, 2nd number: 4/12
49/21 + 4/12 is 8/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 12 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 21 × 4 = 84,
49/21 = 49 × 4/21 × 4 = 196/84 - Likewise, for the 2nd fraction, since 12 × 7 = 84,
4/12 = 4 × 7/12 × 7 = 28/84 - Add the two like fractions:
196/84 + 28/84 = 196 + 28/84 = 224/84 - 224/84 simplified gives 8/3
- So, 49/21 + 4/12 = 8/3
In mixed form: 22/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/21+4/12 49/21+8/12 49/42+4/12 49/21+4/24 49/63+4/12 49/21+4/36 49/21+20/12 49/21+4/60 49/21+28/12 49/21+4/84