Add 15/16 and 75/90
15/16 + 75/90 is 85/48.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 90 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 16 × 45 = 720,
15/16 = 15 × 45/16 × 45 = 675/720 - Likewise, for the 2nd fraction, since 90 × 8 = 720,
75/90 = 75 × 8/90 × 8 = 600/720 - Add the two like fractions:
675/720 + 600/720 = 675 + 600/720 = 1275/720 - 1275/720 simplified gives 85/48
- So, 15/16 + 75/90 = 85/48
In mixed form: 137/48
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/16+75/90 15/32+75/90 45/16+75/90 15/48+75/90 75/16+75/90 15/80+75/90