Add 80/63 and 9/7
1st number: 1 17/63, 2nd number: 1 2/7
80/63 + 9/7 is 23/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 7 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 63 × 1 = 63,
80/63 = 80 × 1/63 × 1 = 80/63 - Likewise, for the 2nd fraction, since 7 × 9 = 63,
9/7 = 9 × 9/7 × 9 = 81/63 - Add the two like fractions:
80/63 + 81/63 = 80 + 81/63 = 161/63 - 161/63 simplified gives 23/9
- So, 80/63 + 9/7 = 23/9
In mixed form: 25/9
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