Add 30/4 and 20/49
1st number: 7 2/4, 2nd number: 20/49
30/4 + 20/49 is 775/98.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 49 is 196
Next, find the equivalent fraction of both fractional numbers with denominator 196 - For the 1st fraction, since 4 × 49 = 196,
30/4 = 30 × 49/4 × 49 = 1470/196 - Likewise, for the 2nd fraction, since 49 × 4 = 196,
20/49 = 20 × 4/49 × 4 = 80/196 - Add the two like fractions:
1470/196 + 80/196 = 1470 + 80/196 = 1550/196 - 1550/196 simplified gives 775/98
- So, 30/4 + 20/49 = 775/98
In mixed form: 789/98
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/4+20/49 30/4+40/49 30/8+20/49 30/4+20/98 90/4+20/49 30/4+60/49 30/12+20/49 30/20+20/49 30/28+20/49