Add 7/35 and 84/45
1st number: 7/35, 2nd number: 1 39/45
7/35 + 84/45 is 31/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 45 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 35 × 9 = 315,
7/35 = 7 × 9/35 × 9 = 63/315 - Likewise, for the 2nd fraction, since 45 × 7 = 315,
84/45 = 84 × 7/45 × 7 = 588/315 - Add the two like fractions:
63/315 + 588/315 = 63 + 588/315 = 651/315 - 651/315 simplified gives 31/15
- So, 7/35 + 84/45 = 31/15
In mixed form: 21/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/35+84/45 7/70+84/45 7/35+84/90 21/35+84/45 49/35+84/45