Add 70/6 and 90/84
1st number: 11 4/6, 2nd number: 1 6/84
70/6 + 90/84 is 535/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 84 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 6 × 14 = 84,
70/6 = 70 × 14/6 × 14 = 980/84 - Likewise, for the 2nd fraction, since 84 × 1 = 84,
90/84 = 90 × 1/84 × 1 = 90/84 - Add the two like fractions:
980/84 + 90/84 = 980 + 90/84 = 1070/84 - 1070/84 simplified gives 535/42
- So, 70/6 + 90/84 = 535/42
In mixed form: 1231/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/12+90/84 70/18+90/84 70/30+90/84 70/42+90/84