Add 20/25 and 18/63
20/25 + 18/63 is 38/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 63 is 1575
Next, find the equivalent fraction of both fractional numbers with denominator 1575 - For the 1st fraction, since 25 × 63 = 1575,
20/25 = 20 × 63/25 × 63 = 1260/1575 - Likewise, for the 2nd fraction, since 63 × 25 = 1575,
18/63 = 18 × 25/63 × 25 = 450/1575 - Add the two like fractions:
1260/1575 + 450/1575 = 1260 + 450/1575 = 1710/1575 - 1710/1575 simplified gives 38/35
- So, 20/25 + 18/63 = 38/35
In mixed form: 13/35
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