Add 25/8 and 35/90
1st number: 3 1/8, 2nd number: 35/90
25/8 + 35/90 is 253/72.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 90 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 8 × 45 = 360,
25/8 = 25 × 45/8 × 45 = 1125/360 - Likewise, for the 2nd fraction, since 90 × 4 = 360,
35/90 = 35 × 4/90 × 4 = 140/360 - Add the two like fractions:
1125/360 + 140/360 = 1125 + 140/360 = 1265/360 - 1265/360 simplified gives 253/72
- So, 25/8 + 35/90 = 253/72
In mixed form: 337/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/8+35/90 25/8+70/90 25/16+35/90 75/8+35/90 25/24+35/90 25/40+35/90 25/56+35/90