Add 60/63 and 30/81
60/63 + 30/81 is 250/189.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 81 is 567
Next, find the equivalent fraction of both fractional numbers with denominator 567 - For the 1st fraction, since 63 × 9 = 567,
60/63 = 60 × 9/63 × 9 = 540/567 - Likewise, for the 2nd fraction, since 81 × 7 = 567,
30/81 = 30 × 7/81 × 7 = 210/567 - Add the two like fractions:
540/567 + 210/567 = 540 + 210/567 = 750/567 - 750/567 simplified gives 250/189
- So, 60/63 + 30/81 = 250/189
In mixed form: 161/189
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/63+60/81 60/63+90/81