Add 45/18 and 21/35
1st number: 2 9/18, 2nd number: 21/35
45/18 + 21/35 is 31/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 35 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 18 × 35 = 630,
45/18 = 45 × 35/18 × 35 = 1575/630 - Likewise, for the 2nd fraction, since 35 × 18 = 630,
21/35 = 21 × 18/35 × 18 = 378/630 - Add the two like fractions:
1575/630 + 378/630 = 1575 + 378/630 = 1953/630 - 1953/630 simplified gives 31/10
- So, 45/18 + 21/35 = 31/10
In mixed form: 31/10
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