Add 2/4 and 12/90
2/4 + 12/90 is 19/30.
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,
12/90 = 12 × 2/90 × 2 = 24/180 - Add the two like fractions:
90/180 + 24/180 = 90 + 24/180 = 114/180 - 114/180 simplified gives 19/30
- So, 2/4 + 12/90 = 19/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/4+24/90 2/8+12/90 6/4+12/90 2/4+36/90 2/12+12/90 10/4+12/90 2/4+60/90 2/20+12/90 14/4+12/90 2/4+84/90 2/28+12/90