Add 25/15 and 4/90
1st number: 1 10/15, 2nd number: 4/90
25/15 + 4/90 is 77/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 15 × 6 = 90,
25/15 = 25 × 6/15 × 6 = 150/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
4/90 = 4 × 1/90 × 1 = 4/90 - Add the two like fractions:
150/90 + 4/90 = 150 + 4/90 = 154/90 - 154/90 simplified gives 77/45
- So, 25/15 + 4/90 = 77/45
In mixed form: 132/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/15+4/90 25/15+8/90 25/30+4/90 75/15+4/90 25/15+12/90 25/45+4/90 25/15+20/90 25/75+4/90 25/15+28/90