Add 72/7 and 5/30
1st number: 10 2/7, 2nd number: 5/30
72/7 + 5/30 is 439/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 30 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 7 × 30 = 210,
72/7 = 72 × 30/7 × 30 = 2160/210 - Likewise, for the 2nd fraction, since 30 × 7 = 210,
5/30 = 5 × 7/30 × 7 = 35/210 - Add the two like fractions:
2160/210 + 35/210 = 2160 + 35/210 = 2195/210 - 2195/210 simplified gives 439/42
- So, 72/7 + 5/30 = 439/42
In mixed form: 1019/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/7+10/30 72/14+5/30 72/7+5/60 72/7+15/30 72/21+5/30 72/7+5/90 72/7+25/30 72/35+5/30 72/7+35/30 72/49+5/30