Add 21/35 and 60/54
1st number: 21/35, 2nd number: 1 6/54
21/35 + 60/54 is 77/45.
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,
60/54 = 60 × 35/54 × 35 = 2100/1890 - Add the two like fractions:
1134/1890 + 2100/1890 = 1134 + 2100/1890 = 3234/1890 - 3234/1890 simplified gives 77/45
- So, 21/35 + 60/54 = 77/45
In mixed form: 132/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/35+60/54 21/70+60/54 63/35+60/54