Add 98/56 and 9/20
1st number: 1 42/56, 2nd number: 9/20
98/56 + 9/20 is 11/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 20 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 56 × 5 = 280,
98/56 = 98 × 5/56 × 5 = 490/280 - Likewise, for the 2nd fraction, since 20 × 14 = 280,
9/20 = 9 × 14/20 × 14 = 126/280 - Add the two like fractions:
490/280 + 126/280 = 490 + 126/280 = 616/280 - 616/280 simplified gives 11/5
- So, 98/56 + 9/20 = 11/5
In mixed form: 21/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/56+18/20 98/56+9/40 98/56+27/20 98/56+9/60 98/56+45/20 98/56+63/20