Add 27/49 and 40/20
1st number: 27/49, 2nd number: 2 0/20
27/49 + 40/20 is 125/49.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 20 is 980
Next, find the equivalent fraction of both fractional numbers with denominator 980 - For the 1st fraction, since 49 × 20 = 980,
27/49 = 27 × 20/49 × 20 = 540/980 - Likewise, for the 2nd fraction, since 20 × 49 = 980,
40/20 = 40 × 49/20 × 49 = 1960/980 - Add the two like fractions:
540/980 + 1960/980 = 540 + 1960/980 = 2500/980 - 2500/980 simplified gives 125/49
- So, 27/49 + 40/20 = 125/49
In mixed form: 227/49
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/49+40/20 27/49+80/20 27/98+40/20 81/49+40/20 27/49+40/60