Add 28/30 and 25/35
28/30 + 25/35 is 173/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 35 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 30 × 7 = 210,
28/30 = 28 × 7/30 × 7 = 196/210 - Likewise, for the 2nd fraction, since 35 × 6 = 210,
25/35 = 25 × 6/35 × 6 = 150/210 - Add the two like fractions:
196/210 + 150/210 = 196 + 150/210 = 346/210 - 346/210 simplified gives 173/105
- So, 28/30 + 25/35 = 173/105
In mixed form: 168/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/30+25/35 28/30+50/35 28/60+25/35 28/30+25/70 84/30+25/35 28/30+75/35 28/90+25/35