Add 60/16 and 90/81
1st number: 3 12/16, 2nd number: 1 9/81
60/16 + 90/81 is 175/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 81 is 1296
Next, find the equivalent fraction of both fractional numbers with denominator 1296 - For the 1st fraction, since 16 × 81 = 1296,
60/16 = 60 × 81/16 × 81 = 4860/1296 - Likewise, for the 2nd fraction, since 81 × 16 = 1296,
90/81 = 90 × 16/81 × 16 = 1440/1296 - Add the two like fractions:
4860/1296 + 1440/1296 = 4860 + 1440/1296 = 6300/1296 - 6300/1296 simplified gives 175/36
- So, 60/16 + 90/81 = 175/36
In mixed form: 431/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/32+90/81 60/48+90/81 60/80+90/81