Add 42/30 and 75/63
1st number: 1 12/30, 2nd number: 1 12/63
42/30 + 75/63 is 272/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 63 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 30 × 21 = 630,
42/30 = 42 × 21/30 × 21 = 882/630 - Likewise, for the 2nd fraction, since 63 × 10 = 630,
75/63 = 75 × 10/63 × 10 = 750/630 - Add the two like fractions:
882/630 + 750/630 = 882 + 750/630 = 1632/630 - 1632/630 simplified gives 272/105
- So, 42/30 + 75/63 = 272/105
In mixed form: 262/105
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