Add 15/8 and 5/80
1st number: 1 7/8, 2nd number: 5/80
15/8 + 5/80 is 31/16.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 8 × 10 = 80,
15/8 = 15 × 10/8 × 10 = 150/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
5/80 = 5 × 1/80 × 1 = 5/80 - Add the two like fractions:
150/80 + 5/80 = 150 + 5/80 = 155/80 - 155/80 simplified gives 31/16
- So, 15/8 + 5/80 = 31/16
In mixed form: 115/16
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/8+5/80 15/8+10/80 15/16+5/80 45/8+5/80 15/8+15/80 15/24+5/80 75/8+5/80 15/8+25/80 15/40+5/80 15/8+35/80 15/56+5/80