Add 90/8 and 42/63
1st number: 11 2/8, 2nd number: 42/63
90/8 + 42/63 is 143/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 63 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 8 × 63 = 504,
90/8 = 90 × 63/8 × 63 = 5670/504 - Likewise, for the 2nd fraction, since 63 × 8 = 504,
42/63 = 42 × 8/63 × 8 = 336/504 - Add the two like fractions:
5670/504 + 336/504 = 5670 + 336/504 = 6006/504 - 6006/504 simplified gives 143/12
- So, 90/8 + 42/63 = 143/12
In mixed form: 1111/12
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