Add 25/16 and 75/90
1st number: 1 9/16, 2nd number: 75/90
25/16 + 75/90 is 115/48.
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,
25/16 = 25 × 45/16 × 45 = 1125/720 - Likewise, for the 2nd fraction, since 90 × 8 = 720,
75/90 = 75 × 8/90 × 8 = 600/720 - Add the two like fractions:
1125/720 + 600/720 = 1125 + 600/720 = 1725/720 - 1725/720 simplified gives 115/48
- So, 25/16 + 75/90 = 115/48
In mixed form: 219/48
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/16+75/90 25/32+75/90 75/16+75/90 25/48+75/90 25/80+75/90