Add 84/45 and 63/35
1st number: 1 39/45, 2nd number: 1 28/35
84/45 + 63/35 is 11/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 35 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 45 × 7 = 315,
84/45 = 84 × 7/45 × 7 = 588/315 - Likewise, for the 2nd fraction, since 35 × 9 = 315,
63/35 = 63 × 9/35 × 9 = 567/315 - Add the two like fractions:
588/315 + 567/315 = 588 + 567/315 = 1155/315 - 1155/315 simplified gives 11/3
- So, 84/45 + 63/35 = 11/3
In mixed form: 32/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/90+63/35 84/45+63/70