Add 84/35 and 90/84
1st number: 2 14/35, 2nd number: 1 6/84
84/35 + 90/84 is 243/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 84 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 35 × 12 = 420,
84/35 = 84 × 12/35 × 12 = 1008/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
90/84 = 90 × 5/84 × 5 = 450/420 - Add the two like fractions:
1008/420 + 450/420 = 1008 + 450/420 = 1458/420 - 1458/420 simplified gives 243/70
- So, 84/35 + 90/84 = 243/70
In mixed form: 333/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/70+90/84