Add 50/27 and 21/63, Solve 1 23/27 + 21/63 as a fraction

Add 50/27 and 21/63

1^st number: 1 23/27, 2^nd number: 21/63

50/27 + 21/63 is 59/27.

Find the least common denominator or LCM of the two denominators:
LCM of 27 and 63 is 189

Next, find the equivalent fraction of both fractional numbers with denominator 189
For the 1st fraction, since 27 × 7 = 189,
50/27 = 50 × 7/27 × 7 = 350/189
Likewise, for the 2nd fraction, since 63 × 3 = 189,
21/63 = 21 × 3/63 × 3 = 63/189
Add the two like fractions:
350/189 + 63/189 = 350 + 63/189 = 413/189
413/189 simplified gives 59/27
So, 50/27 + 21/63 = 59/27
In mixed form: 25/27

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad