Add 2/30 and 80/72
1st number: 2/30, 2nd number: 1 8/72
2/30 + 80/72 is 53/45.
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,
80/72 = 80 × 5/72 × 5 = 400/360 - Add the two like fractions:
24/360 + 400/360 = 24 + 400/360 = 424/360 - 424/360 simplified gives 53/45
- So, 2/30 + 80/72 = 53/45
In mixed form: 18/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/30+80/72 2/60+80/72 6/30+80/72 2/90+80/72 10/30+80/72 14/30+80/72