Add 49/21 and 1/45
1st number: 2 7/21, 2nd number: 1/45
49/21 + 1/45 is 106/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 45 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 21 × 15 = 315,
49/21 = 49 × 15/21 × 15 = 735/315 - Likewise, for the 2nd fraction, since 45 × 7 = 315,
1/45 = 1 × 7/45 × 7 = 7/315 - Add the two like fractions:
735/315 + 7/315 = 735 + 7/315 = 742/315 - 742/315 simplified gives 106/45
- So, 49/21 + 1/45 = 106/45
In mixed form: 216/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/21+1/45 49/21+2/45 49/42+1/45 49/21+1/90 49/21+3/45 49/63+1/45 49/21+5/45 49/21+7/45