Add 45/8 and 90/15
1st number: 5 5/8, 2nd number: 6 0/15
45/8 + 90/15 is 93/8.
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,
45/8 = 45 × 15/8 × 15 = 675/120 - Likewise, for the 2nd fraction, since 15 × 8 = 120,
90/15 = 90 × 8/15 × 8 = 720/120 - Add the two like fractions:
675/120 + 720/120 = 675 + 720/120 = 1395/120 - 1395/120 simplified gives 93/8
- So, 45/8 + 90/15 = 93/8
In mixed form: 115/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/8+90/15 45/16+90/15 45/8+90/30 45/24+90/15 45/8+90/45 45/40+90/15 45/8+90/75 45/56+90/15