Add 2/30 and 45/72
2/30 + 45/72 is 83/120.
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,
2/30 = 2 × 12/30 × 12 = 24/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
45/72 = 45 × 5/72 × 5 = 225/360 - Add the two like fractions:
24/360 + 225/360 = 24 + 225/360 = 249/360 - 249/360 simplified gives 83/120
- So, 2/30 + 45/72 = 83/120
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/30+45/72 2/30+90/72 2/60+45/72 6/30+45/72 2/90+45/72 10/30+45/72 14/30+45/72