Add 3/90 and 36/72
3/90 + 36/72 is 8/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 90 × 4 = 360,
3/90 = 3 × 4/90 × 4 = 12/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
36/72 = 36 × 5/72 × 5 = 180/360 - Add the two like fractions:
12/360 + 180/360 = 12 + 180/360 = 192/360 - 192/360 simplified gives 8/15
- So, 3/90 + 36/72 = 8/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/90+36/72 9/90+36/72 15/90+36/72 21/90+36/72