Add 81/5 and 54/16
1st number: 16 1/5, 2nd number: 3 6/16
81/5 + 54/16 is 783/40.
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,
81/5 = 81 × 16/5 × 16 = 1296/80 - Likewise, for the 2nd fraction, since 16 × 5 = 80,
54/16 = 54 × 5/16 × 5 = 270/80 - Add the two like fractions:
1296/80 + 270/80 = 1296 + 270/80 = 1566/80 - 1566/80 simplified gives 783/40
- So, 81/5 + 54/16 = 783/40
In mixed form: 1923/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/10+54/16 81/5+54/32 81/15+54/16 81/5+54/48 81/25+54/16 81/5+54/80 81/35+54/16