Add 45/15 and 10/8
1st number: 3 0/15, 2nd number: 1 2/8
45/15 + 10/8 is 17/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 8 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 15 × 8 = 120,
45/15 = 45 × 8/15 × 8 = 360/120 - Likewise, for the 2nd fraction, since 8 × 15 = 120,
10/8 = 10 × 15/8 × 15 = 150/120 - Add the two like fractions:
360/120 + 150/120 = 360 + 150/120 = 510/120 - 510/120 simplified gives 17/4
- So, 45/15 + 10/8 = 17/4
In mixed form: 41/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/15+10/8 45/15+20/8 45/30+10/8 45/15+10/16 45/15+30/8 45/15+10/24 45/15+50/8 45/75+10/8 45/15+10/40 45/15+70/8 45/15+10/56