Add 84/63 and 42/24
1st number: 1 21/63, 2nd number: 1 18/24
84/63 + 42/24 is 37/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 24 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 63 × 8 = 504,
84/63 = 84 × 8/63 × 8 = 672/504 - Likewise, for the 2nd fraction, since 24 × 21 = 504,
42/24 = 42 × 21/24 × 21 = 882/504 - Add the two like fractions:
672/504 + 882/504 = 672 + 882/504 = 1554/504 - 1554/504 simplified gives 37/12
- So, 84/63 + 42/24 = 37/12
In mixed form: 31/12
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