Add 45/72 and 14/90
45/72 + 14/90 is 281/360.
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,
45/72 = 45 × 5/72 × 5 = 225/360 - Likewise, for the 2nd fraction, since 90 × 4 = 360,
14/90 = 14 × 4/90 × 4 = 56/360 - Add the two like fractions:
225/360 + 56/360 = 225 + 56/360 = 281/360 - So, 45/72 + 14/90 = 281/360
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/72+14/90 45/72+28/90 45/72+42/90 45/72+70/90 45/72+98/90