Add 42/21 and 1/49
1st number: 2 0/21, 2nd number: 1/49
42/21 + 1/49 is 99/49.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 49 is 147
Next, find the equivalent fraction of both fractional numbers with denominator 147 - For the 1st fraction, since 21 × 7 = 147,
42/21 = 42 × 7/21 × 7 = 294/147 - Likewise, for the 2nd fraction, since 49 × 3 = 147,
1/49 = 1 × 3/49 × 3 = 3/147 - Add the two like fractions:
294/147 + 3/147 = 294 + 3/147 = 297/147 - 297/147 simplified gives 99/49
- So, 42/21 + 1/49 = 99/49
In mixed form: 21/49
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/21+1/49 42/21+2/49 42/21+1/98 42/21+3/49 42/63+1/49 42/21+5/49 42/21+7/49