Add 15/72 and 3/30
15/72 + 3/30 is 37/120.
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,
15/72 = 15 × 5/72 × 5 = 75/360 - Likewise, for the 2nd fraction, since 30 × 12 = 360,
3/30 = 3 × 12/30 × 12 = 36/360 - Add the two like fractions:
75/360 + 36/360 = 75 + 36/360 = 111/360 - 111/360 simplified gives 37/120
- So, 15/72 + 3/30 = 37/120
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/72+3/30 15/72+6/30 15/72+3/60 45/72+3/30 15/72+9/30 15/72+3/90 75/72+3/30 15/72+15/30 15/72+21/30