Add 40/70 and 90/5
1st number: 40/70, 2nd number: 18 0/5
40/70 + 90/5 is 130/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 5 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 70 × 1 = 70,
40/70 = 40 × 1/70 × 1 = 40/70 - Likewise, for the 2nd fraction, since 5 × 14 = 70,
90/5 = 90 × 14/5 × 14 = 1260/70 - Add the two like fractions:
40/70 + 1260/70 = 40 + 1260/70 = 1300/70 - 1300/70 simplified gives 130/7
- So, 40/70 + 90/5 = 130/7
In mixed form: 184/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/70+90/5 40/70+90/10 40/70+90/15 40/70+90/25 40/70+90/35