Add 21/18 and 49/8
1st number: 1 3/18, 2nd number: 6 1/8
21/18 + 49/8 is 175/24.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 8 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 18 × 4 = 72,
21/18 = 21 × 4/18 × 4 = 84/72 - Likewise, for the 2nd fraction, since 8 × 9 = 72,
49/8 = 49 × 9/8 × 9 = 441/72 - Add the two like fractions:
84/72 + 441/72 = 84 + 441/72 = 525/72 - 525/72 simplified gives 175/24
- So, 21/18 + 49/8 = 175/24
In mixed form: 77/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/18+49/8 21/18+98/8 21/36+49/8 21/18+49/16 63/18+49/8 21/54+49/8 21/18+49/24 21/90+49/8 21/18+49/40 21/18+49/56