Add 98/35 and 70/84
1st number: 2 28/35, 2nd number: 70/84
98/35 + 70/84 is 109/30.
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,
98/35 = 98 × 12/35 × 12 = 1176/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
70/84 = 70 × 5/84 × 5 = 350/420 - Add the two like fractions:
1176/420 + 350/420 = 1176 + 350/420 = 1526/420 - 1526/420 simplified gives 109/30
- So, 98/35 + 70/84 = 109/30
In mixed form: 319/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/70+70/84