Add 4/72 and 1/30
4/72 + 1/30 is 4/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 30 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 72 × 5 = 360,
4/72 = 4 × 5/72 × 5 = 20/360 - Likewise, for the 2nd fraction, since 30 × 12 = 360,
1/30 = 1 × 12/30 × 12 = 12/360 - Add the two like fractions:
20/360 + 12/360 = 20 + 12/360 = 32/360 - 32/360 simplified gives 4/45
- So, 4/72 + 1/30 = 4/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/72+1/30 4/72+2/30 4/72+1/60 12/72+1/30 4/72+3/30 4/72+1/90 20/72+1/30 4/72+5/30 28/72+1/30 4/72+7/30