Add 2/4 and 4/90
2/4 + 4/90 is 49/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 90 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 4 × 45 = 180,
2/4 = 2 × 45/4 × 45 = 90/180 - Likewise, for the 2nd fraction, since 90 × 2 = 180,
4/90 = 4 × 2/90 × 2 = 8/180 - Add the two like fractions:
90/180 + 8/180 = 90 + 8/180 = 98/180 - 98/180 simplified gives 49/90
- So, 2/4 + 4/90 = 49/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/4+8/90 2/8+4/90 6/4+4/90 2/4+12/90 2/12+4/90 10/4+4/90 2/4+20/90 2/20+4/90 14/4+4/90 2/4+28/90 2/28+4/90