Add 2/28 and 36/90
2/28 + 36/90 is 33/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 90 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 28 × 45 = 1260,
2/28 = 2 × 45/28 × 45 = 90/1260 - Likewise, for the 2nd fraction, since 90 × 14 = 1260,
36/90 = 36 × 14/90 × 14 = 504/1260 - Add the two like fractions:
90/1260 + 504/1260 = 90 + 504/1260 = 594/1260 - 594/1260 simplified gives 33/70
- So, 2/28 + 36/90 = 33/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/28+36/90 2/28+72/90 2/56+36/90 6/28+36/90 2/84+36/90 10/28+36/90 14/28+36/90