Add 27/16 and 54/90
1st number: 1 11/16, 2nd number: 54/90
27/16 + 54/90 is 183/80.
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,
27/16 = 27 × 45/16 × 45 = 1215/720 - Likewise, for the 2nd fraction, since 90 × 8 = 720,
54/90 = 54 × 8/90 × 8 = 432/720 - Add the two like fractions:
1215/720 + 432/720 = 1215 + 432/720 = 1647/720 - 1647/720 simplified gives 183/80
- So, 27/16 + 54/90 = 183/80
In mixed form: 223/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/16+54/90 27/32+54/90 81/16+54/90 27/48+54/90 27/80+54/90