Add 98/21 and 45/8
1st number: 4 14/21, 2nd number: 5 5/8
98/21 + 45/8 is 247/24.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 8 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 21 × 8 = 168,
98/21 = 98 × 8/21 × 8 = 784/168 - Likewise, for the 2nd fraction, since 8 × 21 = 168,
45/8 = 45 × 21/8 × 21 = 945/168 - Add the two like fractions:
784/168 + 945/168 = 784 + 945/168 = 1729/168 - 1729/168 simplified gives 247/24
- So, 98/21 + 45/8 = 247/24
In mixed form: 107/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/21+90/8 98/42+45/8 98/21+45/16 98/63+45/8 98/21+45/24 98/21+45/40 98/21+45/56