Add 42/24 and 72/63
1st number: 1 18/24, 2nd number: 1 9/63
42/24 + 72/63 is 81/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 63 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 24 × 21 = 504,
42/24 = 42 × 21/24 × 21 = 882/504 - Likewise, for the 2nd fraction, since 63 × 8 = 504,
72/63 = 72 × 8/63 × 8 = 576/504 - Add the two like fractions:
882/504 + 576/504 = 882 + 576/504 = 1458/504 - 1458/504 simplified gives 81/28
- So, 42/24 + 72/63 = 81/28
In mixed form: 225/28
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