Add 18/63 and 35/20
1st number: 18/63, 2nd number: 1 15/20
18/63 + 35/20 is 57/28.
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,
18/63 = 18 × 20/63 × 20 = 360/1260 - Likewise, for the 2nd fraction, since 20 × 63 = 1260,
35/20 = 35 × 63/20 × 63 = 2205/1260 - Add the two like fractions:
360/1260 + 2205/1260 = 360 + 2205/1260 = 2565/1260 - 2565/1260 simplified gives 57/28
- So, 18/63 + 35/20 = 57/28
In mixed form: 21/28
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