Add 36/72 and 8/90
36/72 + 8/90 is 53/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 90 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 72 × 5 = 360,
36/72 = 36 × 5/72 × 5 = 180/360 - Likewise, for the 2nd fraction, since 90 × 4 = 360,
8/90 = 8 × 4/90 × 4 = 32/360 - Add the two like fractions:
180/360 + 32/360 = 180 + 32/360 = 212/360 - 212/360 simplified gives 53/90
- So, 36/72 + 8/90 = 53/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/72+16/90 36/72+24/90 36/72+40/90 36/72+56/90