Add 70/30 and 84/14
1st number: 2 10/30, 2nd number: 6 0/14
70/30 + 84/14 is 25/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 14 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 30 × 7 = 210,
70/30 = 70 × 7/30 × 7 = 490/210 - Likewise, for the 2nd fraction, since 14 × 15 = 210,
84/14 = 84 × 15/14 × 15 = 1260/210 - Add the two like fractions:
490/210 + 1260/210 = 490 + 1260/210 = 1750/210 - 1750/210 simplified gives 25/3
- So, 70/30 + 84/14 = 25/3
In mixed form: 81/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/60+84/14 70/30+84/28 70/90+84/14 70/30+84/42 70/30+84/70 70/30+84/98