Add 84/63 and 35/5
1st number: 1 21/63, 2nd number: 7 0/5
84/63 + 35/5 is 25/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 5 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 63 × 5 = 315,
84/63 = 84 × 5/63 × 5 = 420/315 - Likewise, for the 2nd fraction, since 5 × 63 = 315,
35/5 = 35 × 63/5 × 63 = 2205/315 - Add the two like fractions:
420/315 + 2205/315 = 420 + 2205/315 = 2625/315 - 2625/315 simplified gives 25/3
- So, 84/63 + 35/5 = 25/3
In mixed form: 81/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/63+70/5 84/63+35/10 84/63+35/15 84/63+35/25