Add 90/8 and 81/25
1st number: 11 2/8, 2nd number: 3 6/25
90/8 + 81/25 is 1449/100.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 25 is 200
Next, find the equivalent fraction of both fractional numbers with denominator 200 - For the 1st fraction, since 8 × 25 = 200,
90/8 = 90 × 25/8 × 25 = 2250/200 - Likewise, for the 2nd fraction, since 25 × 8 = 200,
81/25 = 81 × 8/25 × 8 = 648/200 - Add the two like fractions:
2250/200 + 648/200 = 2250 + 648/200 = 2898/200 - 2898/200 simplified gives 1449/100
- So, 90/8 + 81/25 = 1449/100
In mixed form: 1449/100
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/16+81/25 90/8+81/50 90/24+81/25 90/8+81/75 90/40+81/25 90/56+81/25