Add 81/49 and 42/9
1st number: 1 32/49, 2nd number: 4 6/9
81/49 + 42/9 is 929/147.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 9 is 441
Next, find the equivalent fraction of both fractional numbers with denominator 441 - For the 1st fraction, since 49 × 9 = 441,
81/49 = 81 × 9/49 × 9 = 729/441 - Likewise, for the 2nd fraction, since 9 × 49 = 441,
42/9 = 42 × 49/9 × 49 = 2058/441 - Add the two like fractions:
729/441 + 2058/441 = 729 + 2058/441 = 2787/441 - 2787/441 simplified gives 929/147
- So, 81/49 + 42/9 = 929/147
In mixed form: 647/147
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/49+84/9 81/98+42/9 81/49+42/18 81/49+42/27 81/49+42/45 81/49+42/63