Add 90/32 and 30/81
1st number: 2 26/32, 2nd number: 30/81
90/32 + 30/81 is 1375/432.
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,
90/32 = 90 × 81/32 × 81 = 7290/2592 - Likewise, for the 2nd fraction, since 81 × 32 = 2592,
30/81 = 30 × 32/81 × 32 = 960/2592 - Add the two like fractions:
7290/2592 + 960/2592 = 7290 + 960/2592 = 8250/2592 - 8250/2592 simplified gives 1375/432
- So, 90/32 + 30/81 = 1375/432
In mixed form: 379/432
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/32+60/81 90/64+30/81 90/32+90/81 90/96+30/81