Add 49/4 and 15/21
1st number: 12 1/4, 2nd number: 15/21
49/4 + 15/21 is 363/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 21 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 4 × 21 = 84,
49/4 = 49 × 21/4 × 21 = 1029/84 - Likewise, for the 2nd fraction, since 21 × 4 = 84,
15/21 = 15 × 4/21 × 4 = 60/84 - Add the two like fractions:
1029/84 + 60/84 = 1029 + 60/84 = 1089/84 - 1089/84 simplified gives 363/28
- So, 49/4 + 15/21 = 363/28
In mixed form: 1227/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/4+15/21 49/4+30/21 49/8+15/21 49/4+15/42 49/4+45/21 49/12+15/21 49/4+15/63 49/4+75/21 49/20+15/21 49/28+15/21