Add 21/10 and 18/63
1st number: 2 1/10, 2nd number: 18/63
21/10 + 18/63 is 167/70.
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,
18/63 = 18 × 10/63 × 10 = 180/630 - Add the two like fractions:
1323/630 + 180/630 = 1323 + 180/630 = 1503/630 - 1503/630 simplified gives 167/70
- So, 21/10 + 18/63 = 167/70
In mixed form: 227/70
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