Add 28/10 and 81/63
1st number: 2 8/10, 2nd number: 1 18/63
28/10 + 81/63 is 143/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 63 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 10 × 63 = 630,
28/10 = 28 × 63/10 × 63 = 1764/630 - Likewise, for the 2nd fraction, since 63 × 10 = 630,
81/63 = 81 × 10/63 × 10 = 810/630 - Add the two like fractions:
1764/630 + 810/630 = 1764 + 810/630 = 2574/630 - 2574/630 simplified gives 143/35
- So, 28/10 + 81/63 = 143/35
In mixed form: 43/35
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