Add 28/63 and 40/80
28/63 + 40/80 is 17/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 80 is 5040
Next, find the equivalent fraction of both fractional numbers with denominator 5040 - For the 1st fraction, since 63 × 80 = 5040,
28/63 = 28 × 80/63 × 80 = 2240/5040 - Likewise, for the 2nd fraction, since 80 × 63 = 5040,
40/80 = 40 × 63/80 × 63 = 2520/5040 - Add the two like fractions:
2240/5040 + 2520/5040 = 2240 + 2520/5040 = 4760/5040 - 4760/5040 simplified gives 17/18
- So, 28/63 + 40/80 = 17/18
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