Add 54/70 and 90/35
1st number: 54/70, 2nd number: 2 20/35
54/70 + 90/35 is 117/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 35 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 35 × 2 = 70,
90/35 = 90 × 2/35 × 2 = 180/70 - Add the two like fractions:
54/70 + 180/70 = 54 + 180/70 = 234/70 - 234/70 simplified gives 117/35
- So, 54/70 + 90/35 = 117/35
In mixed form: 312/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/70+90/70