Add 21/10 and 30/63
1st number: 2 1/10, 2nd number: 30/63
21/10 + 30/63 is 541/210.
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,
21/10 = 21 × 63/10 × 63 = 1323/630 - Likewise, for the 2nd fraction, since 63 × 10 = 630,
30/63 = 30 × 10/63 × 10 = 300/630 - Add the two like fractions:
1323/630 + 300/630 = 1323 + 300/630 = 1623/630 - 1623/630 simplified gives 541/210
- So, 21/10 + 30/63 = 541/210
In mixed form: 2121/210
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