Add 8/20 and 45/63
8/20 + 45/63 is 39/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 63 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 20 × 63 = 1260,
8/20 = 8 × 63/20 × 63 = 504/1260 - Likewise, for the 2nd fraction, since 63 × 20 = 1260,
45/63 = 45 × 20/63 × 20 = 900/1260 - Add the two like fractions:
504/1260 + 900/1260 = 504 + 900/1260 = 1404/1260 - 1404/1260 simplified gives 39/35
- So, 8/20 + 45/63 = 39/35
In mixed form: 14/35
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