Add 28/10 and 72/63
1st number: 2 8/10, 2nd number: 1 9/63
28/10 + 72/63 is 138/35.
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,
72/63 = 72 × 10/63 × 10 = 720/630 - Add the two like fractions:
1764/630 + 720/630 = 1764 + 720/630 = 2484/630 - 2484/630 simplified gives 138/35
- So, 28/10 + 72/63 = 138/35
In mixed form: 333/35
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