Add 54/70 and 18/10
1st number: 54/70, 2nd number: 1 8/10
54/70 + 18/10 is 18/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 10 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 70 × 1 = 70,
54/70 = 54 × 1/70 × 1 = 54/70 - Likewise, for the 2nd fraction, since 10 × 7 = 70,
18/10 = 18 × 7/10 × 7 = 126/70 - Add the two like fractions:
54/70 + 126/70 = 54 + 126/70 = 180/70 - 180/70 simplified gives 18/7
- So, 54/70 + 18/10 = 18/7
In mixed form: 24/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/70+36/10 54/70+18/20 54/70+54/10 54/70+18/30 54/70+90/10 54/70+18/50 54/70+18/70