Add 75/63 and 90/80
1st number: 1 12/63, 2nd number: 1 10/80
75/63 + 90/80 is 389/168.
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,
75/63 = 75 × 80/63 × 80 = 6000/5040 - Likewise, for the 2nd fraction, since 80 × 63 = 5040,
90/80 = 90 × 63/80 × 63 = 5670/5040 - Add the two like fractions:
6000/5040 + 5670/5040 = 6000 + 5670/5040 = 11670/5040 - 11670/5040 simplified gives 389/168
- So, 75/63 + 90/80 = 389/168
In mixed form: 253/168
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