Add 20/4 and 40/49
1st number: 5 0/4, 2nd number: 40/49
20/4 + 40/49 is 285/49.
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,
20/4 = 20 × 49/4 × 49 = 980/196 - Likewise, for the 2nd fraction, since 49 × 4 = 196,
40/49 = 40 × 4/49 × 4 = 160/196 - Add the two like fractions:
980/196 + 160/196 = 980 + 160/196 = 1140/196 - 1140/196 simplified gives 285/49
- So, 20/4 + 40/49 = 285/49
In mixed form: 540/49
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/4+40/49 20/4+80/49 20/8+40/49 20/4+40/98 60/4+40/49 20/12+40/49 20/28+40/49