Add 49/8 and 5/21
1st number: 6 1/8, 2nd number: 5/21
49/8 + 5/21 is 1069/168.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 21 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 8 × 21 = 168,
49/8 = 49 × 21/8 × 21 = 1029/168 - Likewise, for the 2nd fraction, since 21 × 8 = 168,
5/21 = 5 × 8/21 × 8 = 40/168 - Add the two like fractions:
1029/168 + 40/168 = 1029 + 40/168 = 1069/168 - So, 49/8 + 5/21 = 1069/168
In mixed form: 661/168
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/8+5/21 49/8+10/21 49/16+5/21 49/8+5/42 49/8+15/21 49/24+5/21 49/8+5/63 49/8+25/21 49/40+5/21 49/8+35/21 49/56+5/21