Add 30/63 and 12/27
30/63 + 12/27 is 58/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 27 is 189
Next, find the equivalent fraction of both fractional numbers with denominator 189 - For the 1st fraction, since 63 × 3 = 189,
30/63 = 30 × 3/63 × 3 = 90/189 - Likewise, for the 2nd fraction, since 27 × 7 = 189,
12/27 = 12 × 7/27 × 7 = 84/189 - Add the two like fractions:
90/189 + 84/189 = 90 + 84/189 = 174/189 - 174/189 simplified gives 58/63
- So, 30/63 + 12/27 = 58/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/63+12/27 30/63+24/27 30/63+12/54 90/63+12/27 30/63+36/27 30/63+12/81 30/63+60/27 30/63+84/27