Add 42/90 and 4/36
42/90 + 4/36 is 26/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 36 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 90 × 2 = 180,
42/90 = 42 × 2/90 × 2 = 84/180 - Likewise, for the 2nd fraction, since 36 × 5 = 180,
4/36 = 4 × 5/36 × 5 = 20/180 - Add the two like fractions:
84/180 + 20/180 = 84 + 20/180 = 104/180 - 104/180 simplified gives 26/45
- So, 42/90 + 4/36 = 26/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/90+4/36 42/90+8/36 42/90+4/72 42/90+12/36 42/90+20/36 42/90+28/36