Add 75/18 and 25/28
1st number: 4 3/18, 2nd number: 25/28
75/18 + 25/28 is 425/84.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 28 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 18 × 14 = 252,
75/18 = 75 × 14/18 × 14 = 1050/252 - Likewise, for the 2nd fraction, since 28 × 9 = 252,
25/28 = 25 × 9/28 × 9 = 225/252 - Add the two like fractions:
1050/252 + 225/252 = 1050 + 225/252 = 1275/252 - 1275/252 simplified gives 425/84
- So, 75/18 + 25/28 = 425/84
In mixed form: 55/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/18+50/28 75/36+25/28 75/18+25/56 75/18+75/28 75/54+25/28 75/18+25/84 75/90+25/28