Add 21/8 and 49/45
1st number: 2 5/8, 2nd number: 1 4/45
21/8 + 49/45 is 1337/360.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 45 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 8 × 45 = 360,
21/8 = 21 × 45/8 × 45 = 945/360 - Likewise, for the 2nd fraction, since 45 × 8 = 360,
49/45 = 49 × 8/45 × 8 = 392/360 - Add the two like fractions:
945/360 + 392/360 = 945 + 392/360 = 1337/360 - So, 21/8 + 49/45 = 1337/360
In mixed form: 3257/360
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/8+49/45 21/8+98/45 21/16+49/45 21/8+49/90 63/8+49/45 21/24+49/45 21/40+49/45 21/56+49/45