Add 84/30 and 70/15
1st number: 2 24/30, 2nd number: 4 10/15
84/30 + 70/15 is 112/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 15 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 30 × 1 = 30,
84/30 = 84 × 1/30 × 1 = 84/30 - Likewise, for the 2nd fraction, since 15 × 2 = 30,
70/15 = 70 × 2/15 × 2 = 140/30 - Add the two like fractions:
84/30 + 140/30 = 84 + 140/30 = 224/30 - 224/30 simplified gives 112/15
- So, 84/30 + 70/15 = 112/15
In mixed form: 77/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/60+70/15 84/30+70/30 84/90+70/15 84/30+70/45 84/30+70/75