Add 7/30 and 70/25
1st number: 7/30, 2nd number: 2 20/25
7/30 + 70/25 is 91/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 25 is 150
Next, find the equivalent fraction of both fractional numbers with denominator 150 - For the 1st fraction, since 30 × 5 = 150,
7/30 = 7 × 5/30 × 5 = 35/150 - Likewise, for the 2nd fraction, since 25 × 6 = 150,
70/25 = 70 × 6/25 × 6 = 420/150 - Add the two like fractions:
35/150 + 420/150 = 35 + 420/150 = 455/150 - 455/150 simplified gives 91/30
- So, 7/30 + 70/25 = 91/30
In mixed form: 31/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/30+70/25 7/60+70/25 7/30+70/50 21/30+70/25 7/90+70/25 7/30+70/75 35/30+70/25 49/30+70/25