Add 2/30 and 70/42
1st number: 2/30, 2nd number: 1 28/42
2/30 + 70/42 is 26/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 42 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 42 × 5 = 210,
70/42 = 70 × 5/42 × 5 = 350/210 - Add the two like fractions:
14/210 + 350/210 = 14 + 350/210 = 364/210 - 364/210 simplified gives 26/15
- So, 2/30 + 70/42 = 26/15
In mixed form: 111/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/30+70/42 2/60+70/42 2/30+70/84 6/30+70/42 2/90+70/42 10/30+70/42 14/30+70/42