Add 5/72 and 8/45
5/72 + 8/45 is 89/360.
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,
5/72 = 5 × 5/72 × 5 = 25/360 - Likewise, for the 2nd fraction, since 45 × 8 = 360,
8/45 = 8 × 8/45 × 8 = 64/360 - Add the two like fractions:
25/360 + 64/360 = 25 + 64/360 = 89/360 - So, 5/72 + 8/45 = 89/360
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/72+8/45 5/72+16/45 5/72+8/90 15/72+8/45 5/72+24/45 25/72+8/45 5/72+40/45 35/72+8/45 5/72+56/45