Add 81/63 and 90/8
1st number: 1 18/63, 2nd number: 11 2/8
81/63 + 90/8 is 351/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 8 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 63 × 8 = 504,
81/63 = 81 × 8/63 × 8 = 648/504 - Likewise, for the 2nd fraction, since 8 × 63 = 504,
90/8 = 90 × 63/8 × 63 = 5670/504 - Add the two like fractions:
648/504 + 5670/504 = 648 + 5670/504 = 6318/504 - 6318/504 simplified gives 351/28
- So, 81/63 + 90/8 = 351/28
In mixed form: 1215/28
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