Add 3/45 and 8/72
3/45 + 8/72 is 8/45.
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,
3/45 = 3 × 8/45 × 8 = 24/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
8/72 = 8 × 5/72 × 5 = 40/360 - Add the two like fractions:
24/360 + 40/360 = 24 + 40/360 = 64/360 - 64/360 simplified gives 8/45
- So, 3/45 + 8/72 = 8/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/45+8/72 3/45+16/72 3/90+8/72 9/45+8/72 3/45+24/72 15/45+8/72 3/45+40/72 21/45+8/72 3/45+56/72