Add 98/56 and 30/20
1st number: 1 42/56, 2nd number: 1 10/20
98/56 + 30/20 is 13/4.
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,
30/20 = 30 × 14/20 × 14 = 420/280 - Add the two like fractions:
490/280 + 420/280 = 490 + 420/280 = 910/280 - 910/280 simplified gives 13/4
- So, 98/56 + 30/20 = 13/4
In mixed form: 31/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/56+60/20 98/56+30/40 98/56+90/20 98/56+30/60