Add 35/27 and 8/21
1st number: 1 8/27, 2nd number: 8/21
35/27 + 8/21 is 317/189.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 21 is 189
Next, find the equivalent fraction of both fractional numbers with denominator 189 - For the 1st fraction, since 27 × 7 = 189,
35/27 = 35 × 7/27 × 7 = 245/189 - Likewise, for the 2nd fraction, since 21 × 9 = 189,
8/21 = 8 × 9/21 × 9 = 72/189 - Add the two like fractions:
245/189 + 72/189 = 245 + 72/189 = 317/189 - So, 35/27 + 8/21 = 317/189
In mixed form: 1128/189
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/27+8/21 35/27+16/21 35/54+8/21 35/27+8/42 35/27+24/21 35/81+8/21 35/27+8/63 35/27+40/21 35/27+56/21