Add 12/4 and 21/98
1st number: 3 0/4, 2nd number: 21/98
12/4 + 21/98 is 45/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 98 is 196
Next, find the equivalent fraction of both fractional numbers with denominator 196 - For the 1st fraction, since 4 × 49 = 196,
12/4 = 12 × 49/4 × 49 = 588/196 - Likewise, for the 2nd fraction, since 98 × 2 = 196,
21/98 = 21 × 2/98 × 2 = 42/196 - Add the two like fractions:
588/196 + 42/196 = 588 + 42/196 = 630/196 - 630/196 simplified gives 45/14
- So, 12/4 + 21/98 = 45/14
In mixed form: 33/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/4+21/98 12/4+42/98 12/8+21/98 36/4+21/98 12/4+63/98 60/4+21/98 12/20+21/98 84/4+21/98 12/28+21/98