Add 21/18 and 63/35
1st number: 1 3/18, 2nd number: 1 28/35
21/18 + 63/35 is 89/30.
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,
21/18 = 21 × 35/18 × 35 = 735/630 - Likewise, for the 2nd fraction, since 35 × 18 = 630,
63/35 = 63 × 18/35 × 18 = 1134/630 - Add the two like fractions:
735/630 + 1134/630 = 735 + 1134/630 = 1869/630 - 1869/630 simplified gives 89/30
- So, 21/18 + 63/35 = 89/30
In mixed form: 229/30
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