Add 60/32 and 90/81
1st number: 1 28/32, 2nd number: 1 9/81
60/32 + 90/81 is 215/72.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 81 is 2592
Next, find the equivalent fraction of both fractional numbers with denominator 2592 - For the 1st fraction, since 32 × 81 = 2592,
60/32 = 60 × 81/32 × 81 = 4860/2592 - Likewise, for the 2nd fraction, since 81 × 32 = 2592,
90/81 = 90 × 32/81 × 32 = 2880/2592 - Add the two like fractions:
4860/2592 + 2880/2592 = 4860 + 2880/2592 = 7740/2592 - 7740/2592 simplified gives 215/72
- So, 60/32 + 90/81 = 215/72
In mixed form: 271/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/64+90/81 60/96+90/81