Add 25/40 and 54/28
1st number: 25/40, 2nd number: 1 26/28
25/40 + 54/28 is 143/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 28 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 40 × 7 = 280,
25/40 = 25 × 7/40 × 7 = 175/280 - Likewise, for the 2nd fraction, since 28 × 10 = 280,
54/28 = 54 × 10/28 × 10 = 540/280 - Add the two like fractions:
175/280 + 540/280 = 175 + 540/280 = 715/280 - 715/280 simplified gives 143/56
- So, 25/40 + 54/28 = 143/56
In mixed form: 231/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/40+54/28 25/80+54/28 25/40+54/56 75/40+54/28 25/40+54/84