Add 54/90 and 90/35
1st number: 54/90, 2nd number: 2 20/35
54/90 + 90/35 is 111/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 35 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 90 × 7 = 630,
54/90 = 54 × 7/90 × 7 = 378/630 - Likewise, for the 2nd fraction, since 35 × 18 = 630,
90/35 = 90 × 18/35 × 18 = 1620/630 - Add the two like fractions:
378/630 + 1620/630 = 378 + 1620/630 = 1998/630 - 1998/630 simplified gives 111/35
- So, 54/90 + 90/35 = 111/35
In mixed form: 36/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/90+90/70