Add 20/75 and 70/49
1st number: 20/75, 2nd number: 1 21/49
20/75 + 70/49 is 178/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 49 is 3675
Next, find the equivalent fraction of both fractional numbers with denominator 3675 - For the 1st fraction, since 75 × 49 = 3675,
20/75 = 20 × 49/75 × 49 = 980/3675 - Likewise, for the 2nd fraction, since 49 × 75 = 3675,
70/49 = 70 × 75/49 × 75 = 5250/3675 - Add the two like fractions:
980/3675 + 5250/3675 = 980 + 5250/3675 = 6230/3675 - 6230/3675 simplified gives 178/105
- So, 20/75 + 70/49 = 178/105
In mixed form: 173/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/75+70/49 20/75+70/98 60/75+70/49