Add 49/2 and 90/21
1st number: 24 1/2, 2nd number: 4 6/21
49/2 + 90/21 is 403/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 21 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 2 × 21 = 42,
49/2 = 49 × 21/2 × 21 = 1029/42 - Likewise, for the 2nd fraction, since 21 × 2 = 42,
90/21 = 90 × 2/21 × 2 = 180/42 - Add the two like fractions:
1029/42 + 180/42 = 1029 + 180/42 = 1209/42 - 1209/42 simplified gives 403/14
- So, 49/2 + 90/21 = 403/14
In mixed form: 2811/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/2+90/21 49/4+90/21 49/2+90/42 49/6+90/21 49/2+90/63 49/10+90/21 49/14+90/21