Add 40/70 and 80/25
1st number: 40/70, 2nd number: 3 5/25
40/70 + 80/25 is 132/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 25 is 350
Next, find the equivalent fraction of both fractional numbers with denominator 350 - For the 1st fraction, since 70 × 5 = 350,
40/70 = 40 × 5/70 × 5 = 200/350 - Likewise, for the 2nd fraction, since 25 × 14 = 350,
80/25 = 80 × 14/25 × 14 = 1120/350 - Add the two like fractions:
200/350 + 1120/350 = 200 + 1120/350 = 1320/350 - 1320/350 simplified gives 132/35
- So, 40/70 + 80/25 = 132/35
In mixed form: 327/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/70+80/25 40/70+80/50 40/70+80/75