Add 40/63 and 42/12
1st number: 40/63, 2nd number: 3 6/12
40/63 + 42/12 is 521/126.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 12 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 63 × 4 = 252,
40/63 = 40 × 4/63 × 4 = 160/252 - Likewise, for the 2nd fraction, since 12 × 21 = 252,
42/12 = 42 × 21/12 × 21 = 882/252 - Add the two like fractions:
160/252 + 882/252 = 160 + 882/252 = 1042/252 - 1042/252 simplified gives 521/126
- So, 40/63 + 42/12 = 521/126
In mixed form: 417/126
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