Add 3/30 and 3/72
3/30 + 3/72 is 17/120.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 30 × 12 = 360,
3/30 = 3 × 12/30 × 12 = 36/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
3/72 = 3 × 5/72 × 5 = 15/360 - Add the two like fractions:
36/360 + 15/360 = 36 + 15/360 = 51/360 - 51/360 simplified gives 17/120
- So, 3/30 + 3/72 = 17/120
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/30+3/72 3/30+6/72 3/60+3/72 9/30+3/72 3/30+9/72 3/90+3/72 15/30+3/72 3/30+15/72 21/30+3/72 3/30+21/72