Add 54/8 and 24/15
1st number: 6 6/8, 2nd number: 1 9/15
54/8 + 24/15 is 167/20.
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,
54/8 = 54 × 15/8 × 15 = 810/120 - Likewise, for the 2nd fraction, since 15 × 8 = 120,
24/15 = 24 × 8/15 × 8 = 192/120 - Add the two like fractions:
810/120 + 192/120 = 810 + 192/120 = 1002/120 - 1002/120 simplified gives 167/20
- So, 54/8 + 24/15 = 167/20
In mixed form: 87/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/8+48/15 54/16+24/15 54/8+24/30 54/8+72/15 54/24+24/15 54/8+24/45 54/40+24/15 54/8+24/75 54/56+24/15