Add 54/90 and 25/15
1st number: 54/90, 2nd number: 1 10/15
54/90 + 25/15 is 34/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 15 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 90 × 1 = 90,
54/90 = 54 × 1/90 × 1 = 54/90 - Likewise, for the 2nd fraction, since 15 × 6 = 90,
25/15 = 25 × 6/15 × 6 = 150/90 - Add the two like fractions:
54/90 + 150/90 = 54 + 150/90 = 204/90 - 204/90 simplified gives 34/15
- So, 54/90 + 25/15 = 34/15
In mixed form: 24/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/90+50/15 54/90+25/30 54/90+75/15 54/90+25/45 54/90+25/75