Add 18/10 and 30/7
1st number: 1 8/10, 2nd number: 4 2/7
18/10 + 30/7 is 213/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 7 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 7 × 10 = 70,
30/7 = 30 × 10/7 × 10 = 300/70 - Add the two like fractions:
126/70 + 300/70 = 126 + 300/70 = 426/70 - 426/70 simplified gives 213/35
- So, 18/10 + 30/7 = 213/35
In mixed form: 63/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/10+30/7 18/10+60/7 18/20+30/7 18/10+30/14 54/10+30/7 18/10+90/7 18/30+30/7 18/10+30/21 90/10+30/7 18/50+30/7 18/10+30/35 18/70+30/7 18/10+30/49