Add 2/8 and 90/15
1st number: 2/8, 2nd number: 6 0/15
2/8 + 90/15 is 25/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 15 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 8 × 15 = 120,
2/8 = 2 × 15/8 × 15 = 30/120 - Likewise, for the 2nd fraction, since 15 × 8 = 120,
90/15 = 90 × 8/15 × 8 = 720/120 - Add the two like fractions:
30/120 + 720/120 = 30 + 720/120 = 750/120 - 750/120 simplified gives 25/4
- So, 2/8 + 90/15 = 25/4
In mixed form: 61/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/8+90/15 2/16+90/15 2/8+90/30 6/8+90/15 2/24+90/15 2/8+90/45 10/8+90/15 2/40+90/15 2/8+90/75 14/8+90/15 2/56+90/15