Add 30/63 and 40/80
30/63 + 40/80 is 41/42.
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,
30/63 = 30 × 80/63 × 80 = 2400/5040 - Likewise, for the 2nd fraction, since 80 × 63 = 5040,
40/80 = 40 × 63/80 × 63 = 2520/5040 - Add the two like fractions:
2400/5040 + 2520/5040 = 2400 + 2520/5040 = 4920/5040 - 4920/5040 simplified gives 41/42
- So, 30/63 + 40/80 = 41/42
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