Add 3/72 and 50/45
1st number: 3/72, 2nd number: 1 5/45
3/72 + 50/45 is 83/72.
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,
3/72 = 3 × 5/72 × 5 = 15/360 - Likewise, for the 2nd fraction, since 45 × 8 = 360,
50/45 = 50 × 8/45 × 8 = 400/360 - Add the two like fractions:
15/360 + 400/360 = 15 + 400/360 = 415/360 - 415/360 simplified gives 83/72
- So, 3/72 + 50/45 = 83/72
In mixed form: 111/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/72+50/45 3/72+50/90 9/72+50/45 15/72+50/45 21/72+50/45