Add 63/80 and 30/40
63/80 + 30/40 is 123/80.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 40 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 80 × 1 = 80,
63/80 = 63 × 1/80 × 1 = 63/80 - Likewise, for the 2nd fraction, since 40 × 2 = 80,
30/40 = 30 × 2/40 × 2 = 60/80 - Add the two like fractions:
63/80 + 60/80 = 63 + 60/80 = 123/80 - So, 63/80 + 30/40 = 123/80
In mixed form: 143/80
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