Add 25/30 and 5/28
25/30 + 5/28 is 85/84.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 28 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 30 × 14 = 420,
25/30 = 25 × 14/30 × 14 = 350/420 - Likewise, for the 2nd fraction, since 28 × 15 = 420,
5/28 = 5 × 15/28 × 15 = 75/420 - Add the two like fractions:
350/420 + 75/420 = 350 + 75/420 = 425/420 - 425/420 simplified gives 85/84
- So, 25/30 + 5/28 = 85/84
In mixed form: 11/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/30+5/28 25/30+10/28 25/60+5/28 25/30+5/56 75/30+5/28 25/30+15/28 25/90+5/28 25/30+5/84 25/30+25/28 25/30+35/28