Add 9/72 and 48/90
9/72 + 48/90 is 79/120.
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,
9/72 = 9 × 5/72 × 5 = 45/360 - Likewise, for the 2nd fraction, since 90 × 4 = 360,
48/90 = 48 × 4/90 × 4 = 192/360 - Add the two like fractions:
45/360 + 192/360 = 45 + 192/360 = 237/360 - 237/360 simplified gives 79/120
- So, 9/72 + 48/90 = 79/120
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/72+48/90 9/72+96/90 27/72+48/90 45/72+48/90 63/72+48/90