Add 90/35 and 7/54
1st number: 2 20/35, 2nd number: 7/54
90/35 + 7/54 is 1021/378.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 54 is 1890
Next, find the equivalent fraction of both fractional numbers with denominator 1890 - For the 1st fraction, since 35 × 54 = 1890,
90/35 = 90 × 54/35 × 54 = 4860/1890 - Likewise, for the 2nd fraction, since 54 × 35 = 1890,
7/54 = 7 × 35/54 × 35 = 245/1890 - Add the two like fractions:
4860/1890 + 245/1890 = 4860 + 245/1890 = 5105/1890 - 5105/1890 simplified gives 1021/378
- So, 90/35 + 7/54 = 1021/378
In mixed form: 2265/378
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/35+14/54 90/70+7/54 90/35+21/54 90/35+35/54 90/35+49/54