Add 15/5 and 54/16
1st number: 3 0/5, 2nd number: 3 6/16
15/5 + 54/16 is 51/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 16 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 5 × 16 = 80,
15/5 = 15 × 16/5 × 16 = 240/80 - Likewise, for the 2nd fraction, since 16 × 5 = 80,
54/16 = 54 × 5/16 × 5 = 270/80 - Add the two like fractions:
240/80 + 270/80 = 240 + 270/80 = 510/80 - 510/80 simplified gives 51/8
- So, 15/5 + 54/16 = 51/8
In mixed form: 63/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/5+54/16 15/10+54/16 15/5+54/32 45/5+54/16 15/5+54/48 75/5+54/16 15/25+54/16 15/5+54/80 15/35+54/16