Add 70/63 and 81/49
1st number: 1 7/63, 2nd number: 1 32/49
70/63 + 81/49 is 1219/441.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 49 is 441
Next, find the equivalent fraction of both fractional numbers with denominator 441 - For the 1st fraction, since 63 × 7 = 441,
70/63 = 70 × 7/63 × 7 = 490/441 - Likewise, for the 2nd fraction, since 49 × 9 = 441,
81/49 = 81 × 9/49 × 9 = 729/441 - Add the two like fractions:
490/441 + 729/441 = 490 + 729/441 = 1219/441 - So, 70/63 + 81/49 = 1219/441
In mixed form: 2337/441
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/63+81/98