Add 2/30 and 70/7
1st number: 2/30, 2nd number: 10 0/7
2/30 + 70/7 is 151/15.
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,
70/7 = 70 × 30/7 × 30 = 2100/210 - Add the two like fractions:
14/210 + 2100/210 = 14 + 2100/210 = 2114/210 - 2114/210 simplified gives 151/15
- So, 2/30 + 70/7 = 151/15
In mixed form: 101/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/30+70/7 2/60+70/7 2/30+70/14 6/30+70/7 2/90+70/7 2/30+70/21 10/30+70/7 2/30+70/35 14/30+70/7 2/30+70/49