Add 90/16 and 15/8
1st number: 5 10/16, 2nd number: 1 7/8
90/16 + 15/8 is 15/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 8 is 16
Next, find the equivalent fraction of both fractional numbers with denominator 16 - For the 1st fraction, since 16 × 1 = 16,
90/16 = 90 × 1/16 × 1 = 90/16 - Likewise, for the 2nd fraction, since 8 × 2 = 16,
15/8 = 15 × 2/8 × 2 = 30/16 - Add the two like fractions:
90/16 + 30/16 = 90 + 30/16 = 120/16 - 120/16 simplified gives 15/2
- So, 90/16 + 15/8 = 15/2
In mixed form: 71/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/16+30/8 90/32+15/8 90/16+15/16 90/16+45/8 90/48+15/8 90/16+15/24 90/16+75/8 90/80+15/8 90/16+15/40 90/16+15/56