Add 40/8 and 21/98
1st number: 5 0/8, 2nd number: 21/98
40/8 + 21/98 is 73/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 98 is 392
Next, find the equivalent fraction of both fractional numbers with denominator 392 - For the 1st fraction, since 8 × 49 = 392,
40/8 = 40 × 49/8 × 49 = 1960/392 - Likewise, for the 2nd fraction, since 98 × 4 = 392,
21/98 = 21 × 4/98 × 4 = 84/392 - Add the two like fractions:
1960/392 + 84/392 = 1960 + 84/392 = 2044/392 - 2044/392 simplified gives 73/14
- So, 40/8 + 21/98 = 73/14
In mixed form: 53/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/8+21/98 40/8+42/98 40/16+21/98 40/8+63/98 40/24+21/98 40/56+21/98