Add 2/30 and 8/7
1st number: 2/30, 2nd number: 1 1/7
2/30 + 8/7 is 127/105.
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,
2/30 = 2 × 7/30 × 7 = 14/210 - Likewise, for the 2nd fraction, since 7 × 30 = 210,
8/7 = 8 × 30/7 × 30 = 240/210 - Add the two like fractions:
14/210 + 240/210 = 14 + 240/210 = 254/210 - 254/210 simplified gives 127/105
- So, 2/30 + 8/7 = 127/105
In mixed form: 122/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/30+8/7 2/30+16/7 2/60+8/7 2/30+8/14 6/30+8/7 2/30+24/7 2/90+8/7 2/30+8/21 10/30+8/7 2/30+40/7 2/30+8/35 14/30+8/7 2/30+56/7 2/30+8/49