Add 81/35 and 56/63
1st number: 2 11/35, 2nd number: 56/63
81/35 + 56/63 is 1009/315.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 63 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 35 × 9 = 315,
81/35 = 81 × 9/35 × 9 = 729/315 - Likewise, for the 2nd fraction, since 63 × 5 = 315,
56/63 = 56 × 5/63 × 5 = 280/315 - Add the two like fractions:
729/315 + 280/315 = 729 + 280/315 = 1009/315 - So, 81/35 + 56/63 = 1009/315
In mixed form: 364/315
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/70+56/63