Add 45/15 and 60/8
1st number: 3 0/15, 2nd number: 7 4/8
45/15 + 60/8 is 21/2.
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,
60/8 = 60 × 15/8 × 15 = 900/120 - Add the two like fractions:
360/120 + 900/120 = 360 + 900/120 = 1260/120 - 1260/120 simplified gives 21/2
- So, 45/15 + 60/8 = 21/2
In mixed form: 101/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/15+60/8 45/30+60/8 45/15+60/16 45/15+60/24 45/75+60/8 45/15+60/40 45/15+60/56