Add 5/20 and 56/49
1st number: 5/20, 2nd number: 1 7/49
5/20 + 56/49 is 39/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 49 is 980
Next, find the equivalent fraction of both fractional numbers with denominator 980 - For the 1st fraction, since 20 × 49 = 980,
5/20 = 5 × 49/20 × 49 = 245/980 - Likewise, for the 2nd fraction, since 49 × 20 = 980,
56/49 = 56 × 20/49 × 20 = 1120/980 - Add the two like fractions:
245/980 + 1120/980 = 245 + 1120/980 = 1365/980 - 1365/980 simplified gives 39/28
- So, 5/20 + 56/49 = 39/28
In mixed form: 111/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/20+56/49 5/40+56/49 5/20+56/98 15/20+56/49 5/60+56/49 25/20+56/49 35/20+56/49