Add 49/36 and 90/20
1st number: 1 13/36, 2nd number: 4 10/20
49/36 + 90/20 is 211/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 20 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 36 × 5 = 180,
49/36 = 49 × 5/36 × 5 = 245/180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,
90/20 = 90 × 9/20 × 9 = 810/180 - Add the two like fractions:
245/180 + 810/180 = 245 + 810/180 = 1055/180 - 1055/180 simplified gives 211/36
- So, 49/36 + 90/20 = 211/36
In mixed form: 531/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/36+90/20 49/72+90/20 49/36+90/40 49/36+90/60