Add 25/90 and 18/8
1st number: 25/90, 2nd number: 2 2/8
25/90 + 18/8 is 91/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 8 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 90 × 4 = 360,
25/90 = 25 × 4/90 × 4 = 100/360 - Likewise, for the 2nd fraction, since 8 × 45 = 360,
18/8 = 18 × 45/8 × 45 = 810/360 - Add the two like fractions:
100/360 + 810/360 = 100 + 810/360 = 910/360 - 910/360 simplified gives 91/36
- So, 25/90 + 18/8 = 91/36
In mixed form: 219/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/90+18/8 25/90+36/8 25/90+18/16 75/90+18/8 25/90+54/8 25/90+18/24 25/90+90/8 25/90+18/40 25/90+18/56