Add 4/90 and 15/54
4/90 + 15/54 is 29/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 54 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 90 × 3 = 270,
4/90 = 4 × 3/90 × 3 = 12/270 - Likewise, for the 2nd fraction, since 54 × 5 = 270,
15/54 = 15 × 5/54 × 5 = 75/270 - Add the two like fractions:
12/270 + 75/270 = 12 + 75/270 = 87/270 - 87/270 simplified gives 29/90
- So, 4/90 + 15/54 = 29/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/90+15/54 4/90+30/54 12/90+15/54 4/90+45/54 20/90+15/54 4/90+75/54 28/90+15/54