Add 6/45 and 3/72
6/45 + 3/72 is 7/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 45 × 8 = 360,
6/45 = 6 × 8/45 × 8 = 48/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
3/72 = 3 × 5/72 × 5 = 15/360 - Add the two like fractions:
48/360 + 15/360 = 48 + 15/360 = 63/360 - 63/360 simplified gives 7/40
- So, 6/45 + 3/72 = 7/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/45+3/72 6/45+6/72 6/90+3/72 18/45+3/72 6/45+9/72 30/45+3/72 6/45+15/72 42/45+3/72 6/45+21/72