Add 5/45 and 72/10
1st number: 5/45, 2nd number: 7 2/10
5/45 + 72/10 is 329/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 10 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 45 × 2 = 90,
5/45 = 5 × 2/45 × 2 = 10/90 - Likewise, for the 2nd fraction, since 10 × 9 = 90,
72/10 = 72 × 9/10 × 9 = 648/90 - Add the two like fractions:
10/90 + 648/90 = 10 + 648/90 = 658/90 - 658/90 simplified gives 329/45
- So, 5/45 + 72/10 = 329/45
In mixed form: 714/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/45+72/10 5/90+72/10 5/45+72/20 15/45+72/10 5/45+72/30 25/45+72/10 5/45+72/50 35/45+72/10 5/45+72/70