Add 3/72 and 72/45
1st number: 3/72, 2nd number: 1 27/45
3/72 + 72/45 is 197/120.
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,
72/45 = 72 × 8/45 × 8 = 576/360 - Add the two like fractions:
15/360 + 576/360 = 15 + 576/360 = 591/360 - 591/360 simplified gives 197/120
- So, 3/72 + 72/45 = 197/120
In mixed form: 177/120
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/72+72/45 3/72+72/90 9/72+72/45 15/72+72/45 21/72+72/45