Add 10/72 and 50/45
1st number: 10/72, 2nd number: 1 5/45
10/72 + 50/45 is 5/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 45 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 72 × 5 = 360,
10/72 = 10 × 5/72 × 5 = 50/360 - Likewise, for the 2nd fraction, since 45 × 8 = 360,
50/45 = 50 × 8/45 × 8 = 400/360 - Add the two like fractions:
50/360 + 400/360 = 50 + 400/360 = 450/360 - 450/360 simplified gives 5/4
- So, 10/72 + 50/45 = 5/4
In mixed form: 11/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/72+50/45 10/72+50/90 30/72+50/45 50/72+50/45 70/72+50/45