Add 75/40 and 25/28
1st number: 1 35/40, 2nd number: 25/28
75/40 + 25/28 is 155/56.
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,
75/40 = 75 × 7/40 × 7 = 525/280 - Likewise, for the 2nd fraction, since 28 × 10 = 280,
25/28 = 25 × 10/28 × 10 = 250/280 - Add the two like fractions:
525/280 + 250/280 = 525 + 250/280 = 775/280 - 775/280 simplified gives 155/56
- So, 75/40 + 25/28 = 155/56
In mixed form: 243/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/40+50/28 75/80+25/28 75/40+25/56 75/40+75/28 75/40+25/84