Add 72/45 and 49/10
1st number: 1 27/45, 2nd number: 4 9/10
72/45 + 49/10 is 13/2.
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,
72/45 = 72 × 2/45 × 2 = 144/90 - Likewise, for the 2nd fraction, since 10 × 9 = 90,
49/10 = 49 × 9/10 × 9 = 441/90 - Add the two like fractions:
144/90 + 441/90 = 144 + 441/90 = 585/90 - 585/90 simplified gives 13/2
- So, 72/45 + 49/10 = 13/2
In mixed form: 61/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/45+98/10 72/90+49/10 72/45+49/20 72/45+49/30 72/45+49/50 72/45+49/70