Add 48/90 and 63/72
48/90 + 63/72 is 169/120.
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,
48/90 = 48 × 4/90 × 4 = 192/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
63/72 = 63 × 5/72 × 5 = 315/360 - Add the two like fractions:
192/360 + 315/360 = 192 + 315/360 = 507/360 - 507/360 simplified gives 169/120
- So, 48/90 + 63/72 = 169/120
In mixed form: 149/120
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 96/90+63/72