Add 54/28 and 98/40
1st number: 1 26/28, 2nd number: 2 18/40
54/28 + 98/40 is 613/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 40 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 28 × 10 = 280,
54/28 = 54 × 10/28 × 10 = 540/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
98/40 = 98 × 7/40 × 7 = 686/280 - Add the two like fractions:
540/280 + 686/280 = 540 + 686/280 = 1226/280 - 1226/280 simplified gives 613/140
- So, 54/28 + 98/40 = 613/140
In mixed form: 453/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/56+98/40 54/28+98/80 54/84+98/40