Add 27/20 and 90/50
1st number: 1 7/20, 2nd number: 1 40/50
27/20 + 90/50 is 63/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 50 is 100
Next, find the equivalent fraction of both fractional numbers with denominator 100 - For the 1st fraction, since 20 × 5 = 100,
27/20 = 27 × 5/20 × 5 = 135/100 - Likewise, for the 2nd fraction, since 50 × 2 = 100,
90/50 = 90 × 2/50 × 2 = 180/100 - Add the two like fractions:
135/100 + 180/100 = 135 + 180/100 = 315/100 - 315/100 simplified gives 63/20
- So, 27/20 + 90/50 = 63/20
In mixed form: 33/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/20+90/50 27/40+90/50 81/20+90/50 27/60+90/50