Add 15/35 and 21/9
1st number: 15/35, 2nd number: 2 3/9
15/35 + 21/9 is 58/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 9 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 35 × 9 = 315,
15/35 = 15 × 9/35 × 9 = 135/315 - Likewise, for the 2nd fraction, since 9 × 35 = 315,
21/9 = 21 × 35/9 × 35 = 735/315 - Add the two like fractions:
135/315 + 735/315 = 135 + 735/315 = 870/315 - 870/315 simplified gives 58/21
- So, 15/35 + 21/9 = 58/21
In mixed form: 216/21
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