Add 4/90 and 4/30
4/90 + 4/30 is 8/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 30 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 90 × 1 = 90,
4/90 = 4 × 1/90 × 1 = 4/90 - Likewise, for the 2nd fraction, since 30 × 3 = 90,
4/30 = 4 × 3/30 × 3 = 12/90 - Add the two like fractions:
4/90 + 12/90 = 4 + 12/90 = 16/90 - 16/90 simplified gives 8/45
- So, 4/90 + 4/30 = 8/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/90+4/30 4/90+8/30 4/90+4/60 12/90+4/30 4/90+12/30 4/90+4/90 20/90+4/30 4/90+20/30 28/90+4/30 4/90+28/30