Add 18/10 and 40/70
1st number: 1 8/10, 2nd number: 40/70
18/10 + 40/70 is 83/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 70 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 10 × 7 = 70,
18/10 = 18 × 7/10 × 7 = 126/70 - Likewise, for the 2nd fraction, since 70 × 1 = 70,
40/70 = 40 × 1/70 × 1 = 40/70 - Add the two like fractions:
126/70 + 40/70 = 126 + 40/70 = 166/70 - 166/70 simplified gives 83/35
- So, 18/10 + 40/70 = 83/35
In mixed form: 213/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/10+40/70 18/10+80/70 18/20+40/70 54/10+40/70 18/30+40/70 90/10+40/70 18/50+40/70 18/70+40/70