Add 4/45 and 35/72
4/45 + 35/72 is 23/40.
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,
4/45 = 4 × 8/45 × 8 = 32/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
35/72 = 35 × 5/72 × 5 = 175/360 - Add the two like fractions:
32/360 + 175/360 = 32 + 175/360 = 207/360 - 207/360 simplified gives 23/40
- So, 4/45 + 35/72 = 23/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/45+35/72 4/45+70/72 4/90+35/72 12/45+35/72 20/45+35/72 28/45+35/72