Add 75/80 and 21/63
75/80 + 21/63 is 61/48.
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,
75/80 = 75 × 63/80 × 63 = 4725/5040 - Likewise, for the 2nd fraction, since 63 × 80 = 5040,
21/63 = 21 × 80/63 × 80 = 1680/5040 - Add the two like fractions:
4725/5040 + 1680/5040 = 4725 + 1680/5040 = 6405/5040 - 6405/5040 simplified gives 61/48
- So, 75/80 + 21/63 = 61/48
In mixed form: 113/48
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