Add 20/80 and 48/63
20/80 + 48/63 is 85/84.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 63 is 5040
Next, find the equivalent fraction of both fractional numbers with denominator 5040 - For the 1st fraction, since 80 × 63 = 5040,
20/80 = 20 × 63/80 × 63 = 1260/5040 - Likewise, for the 2nd fraction, since 63 × 80 = 5040,
48/63 = 48 × 80/63 × 80 = 3840/5040 - Add the two like fractions:
1260/5040 + 3840/5040 = 1260 + 3840/5040 = 5100/5040 - 5100/5040 simplified gives 85/84
- So, 20/80 + 48/63 = 85/84
In mixed form: 11/84
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