Add 21/35 and 50/54
21/35 + 50/54 is 206/135.
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,
21/35 = 21 × 54/35 × 54 = 1134/1890 - Likewise, for the 2nd fraction, since 54 × 35 = 1890,
50/54 = 50 × 35/54 × 35 = 1750/1890 - Add the two like fractions:
1134/1890 + 1750/1890 = 1134 + 1750/1890 = 2884/1890 - 2884/1890 simplified gives 206/135
- So, 21/35 + 50/54 = 206/135
In mixed form: 171/135
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/35+50/54 21/70+50/54 63/35+50/54