Add 4/30 and 81/63
1st number: 4/30, 2nd number: 1 18/63
4/30 + 81/63 is 149/105.
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,
4/30 = 4 × 21/30 × 21 = 84/630 - Likewise, for the 2nd fraction, since 63 × 10 = 630,
81/63 = 81 × 10/63 × 10 = 810/630 - Add the two like fractions:
84/630 + 810/630 = 84 + 810/630 = 894/630 - 894/630 simplified gives 149/105
- So, 4/30 + 81/63 = 149/105
In mixed form: 144/105
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