Add 42/35 and 70/54
1st number: 1 7/35, 2nd number: 1 16/54
42/35 + 70/54 is 337/135.
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,
42/35 = 42 × 54/35 × 54 = 2268/1890 - Likewise, for the 2nd fraction, since 54 × 35 = 1890,
70/54 = 70 × 35/54 × 35 = 2450/1890 - Add the two like fractions:
2268/1890 + 2450/1890 = 2268 + 2450/1890 = 4718/1890 - 4718/1890 simplified gives 337/135
- So, 42/35 + 70/54 = 337/135
In mixed form: 267/135
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/35+70/54 42/70+70/54