Add 63/90 and 72/75
63/90 + 72/75 is 83/50.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 75 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 90 × 5 = 450,
63/90 = 63 × 5/90 × 5 = 315/450 - Likewise, for the 2nd fraction, since 75 × 6 = 450,
72/75 = 72 × 6/75 × 6 = 432/450 - Add the two like fractions:
315/450 + 432/450 = 315 + 432/450 = 747/450 - 747/450 simplified gives 83/50
- So, 63/90 + 72/75 = 83/50
In mixed form: 133/50
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: