Add 15/5 and 4/90
1st number: 3 0/5, 2nd number: 4/90
15/5 + 4/90 is 137/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 5 × 18 = 90,
15/5 = 15 × 18/5 × 18 = 270/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
4/90 = 4 × 1/90 × 1 = 4/90 - Add the two like fractions:
270/90 + 4/90 = 270 + 4/90 = 274/90 - 274/90 simplified gives 137/45
- So, 15/5 + 4/90 = 137/45
In mixed form: 32/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/5+4/90 15/5+8/90 15/10+4/90 45/5+4/90 15/5+12/90 75/5+4/90 15/5+20/90 15/25+4/90 15/5+28/90 15/35+4/90