Add 27/63 and 36/20
1st number: 27/63, 2nd number: 1 16/20
27/63 + 36/20 is 78/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 20 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 63 × 20 = 1260,
27/63 = 27 × 20/63 × 20 = 540/1260 - Likewise, for the 2nd fraction, since 20 × 63 = 1260,
36/20 = 36 × 63/20 × 63 = 2268/1260 - Add the two like fractions:
540/1260 + 2268/1260 = 540 + 2268/1260 = 2808/1260 - 2808/1260 simplified gives 78/35
- So, 27/63 + 36/20 = 78/35
In mixed form: 28/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/63+36/20 27/63+72/20 27/63+36/40 81/63+36/20 27/63+36/60