Add 84/6 and 70/45
1st number: 14 0/6, 2nd number: 1 25/45
84/6 + 70/45 is 140/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 45 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 6 × 15 = 90,
84/6 = 84 × 15/6 × 15 = 1260/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
70/45 = 70 × 2/45 × 2 = 140/90 - Add the two like fractions:
1260/90 + 140/90 = 1260 + 140/90 = 1400/90 - 1400/90 simplified gives 140/9
- So, 84/6 + 70/45 = 140/9
In mixed form: 155/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/12+70/45 84/6+70/90 84/18+70/45 84/30+70/45 84/42+70/45