Add 70/24 and 28/30
1st number: 2 22/24, 2nd number: 28/30
70/24 + 28/30 is 77/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 30 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 24 × 5 = 120,
70/24 = 70 × 5/24 × 5 = 350/120 - Likewise, for the 2nd fraction, since 30 × 4 = 120,
28/30 = 28 × 4/30 × 4 = 112/120 - Add the two like fractions:
350/120 + 112/120 = 350 + 112/120 = 462/120 - 462/120 simplified gives 77/20
- So, 70/24 + 28/30 = 77/20
In mixed form: 317/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/24+56/30 70/48+28/30 70/24+28/60 70/24+84/30 70/72+28/30 70/24+28/90