Add 15/7 and 75/30
1st number: 2 1/7, 2nd number: 2 15/30
15/7 + 75/30 is 65/14.
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,
15/7 = 15 × 30/7 × 30 = 450/210 - Likewise, for the 2nd fraction, since 30 × 7 = 210,
75/30 = 75 × 7/30 × 7 = 525/210 - Add the two like fractions:
450/210 + 525/210 = 450 + 525/210 = 975/210 - 975/210 simplified gives 65/14
- So, 15/7 + 75/30 = 65/14
In mixed form: 49/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/7+75/30 15/14+75/30 15/7+75/60 45/7+75/30 15/21+75/30 15/7+75/90 75/7+75/30 15/35+75/30 15/49+75/30