Add 30/10 and 4/72
1st number: 3 0/10, 2nd number: 4/72
30/10 + 4/72 is 55/18.
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,
30/10 = 30 × 36/10 × 36 = 1080/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
4/72 = 4 × 5/72 × 5 = 20/360 - Add the two like fractions:
1080/360 + 20/360 = 1080 + 20/360 = 1100/360 - 1100/360 simplified gives 55/18
- So, 30/10 + 4/72 = 55/18
In mixed form: 31/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/10+4/72 30/10+8/72 30/20+4/72 90/10+4/72 30/10+12/72 30/10+20/72 30/50+4/72 30/10+28/72 30/70+4/72