Add 8/30 and 15/7
1st number: 8/30, 2nd number: 2 1/7
8/30 + 15/7 is 253/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 7 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 30 × 7 = 210,
8/30 = 8 × 7/30 × 7 = 56/210 - Likewise, for the 2nd fraction, since 7 × 30 = 210,
15/7 = 15 × 30/7 × 30 = 450/210 - Add the two like fractions:
56/210 + 450/210 = 56 + 450/210 = 506/210 - 506/210 simplified gives 253/105
- So, 8/30 + 15/7 = 253/105
In mixed form: 243/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/30+15/7 8/30+30/7 8/60+15/7 8/30+15/14 24/30+15/7 8/30+45/7 8/90+15/7 8/30+15/21 40/30+15/7 8/30+75/7 8/30+15/35 56/30+15/7 8/30+15/49