Add 18/10 and 30/72
1st number: 1 8/10, 2nd number: 30/72
18/10 + 30/72 is 133/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 10 × 36 = 360,
18/10 = 18 × 36/10 × 36 = 648/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
30/72 = 30 × 5/72 × 5 = 150/360 - Add the two like fractions:
648/360 + 150/360 = 648 + 150/360 = 798/360 - 798/360 simplified gives 133/60
- So, 18/10 + 30/72 = 133/60
In mixed form: 213/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/10+30/72 18/10+60/72 18/20+30/72 54/10+30/72 18/10+90/72 18/30+30/72 90/10+30/72 18/50+30/72 18/70+30/72