Add 5/30 and 8/7
1st number: 5/30, 2nd number: 1 1/7
5/30 + 8/7 is 55/42.
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,
5/30 = 5 × 7/30 × 7 = 35/210 - Likewise, for the 2nd fraction, since 7 × 30 = 210,
8/7 = 8 × 30/7 × 30 = 240/210 - Add the two like fractions:
35/210 + 240/210 = 35 + 240/210 = 275/210 - 275/210 simplified gives 55/42
- So, 5/30 + 8/7 = 55/42
In mixed form: 113/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/30+8/7 5/30+16/7 5/60+8/7 5/30+8/14 15/30+8/7 5/30+24/7 5/90+8/7 5/30+8/21 25/30+8/7 5/30+40/7 5/30+8/35 35/30+8/7 5/30+56/7 5/30+8/49