Add 7/72 and 1/45
7/72 + 1/45 is 43/360.
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,
7/72 = 7 × 5/72 × 5 = 35/360 - Likewise, for the 2nd fraction, since 45 × 8 = 360,
1/45 = 1 × 8/45 × 8 = 8/360 - Add the two like fractions:
35/360 + 8/360 = 35 + 8/360 = 43/360 - So, 7/72 + 1/45 = 43/360
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/72+1/45 7/72+2/45 7/72+1/90 21/72+1/45 7/72+3/45 35/72+1/45 7/72+5/45 49/72+1/45 7/72+7/45