Add 3/90 and 72/50
1st number: 3/90, 2nd number: 1 22/50
3/90 + 72/50 is 221/150.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 50 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 90 × 5 = 450,
3/90 = 3 × 5/90 × 5 = 15/450 - Likewise, for the 2nd fraction, since 50 × 9 = 450,
72/50 = 72 × 9/50 × 9 = 648/450 - Add the two like fractions:
15/450 + 648/450 = 15 + 648/450 = 663/450 - 663/450 simplified gives 221/150
- So, 3/90 + 72/50 = 221/150
In mixed form: 171/150
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/90+72/50 9/90+72/50 15/90+72/50 21/90+72/50