Add 21/35 and 7/9
21/35 + 7/9 is 62/45.
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,
21/35 = 21 × 9/35 × 9 = 189/315 - Likewise, for the 2nd fraction, since 9 × 35 = 315,
7/9 = 7 × 35/9 × 35 = 245/315 - Add the two like fractions:
189/315 + 245/315 = 189 + 245/315 = 434/315 - 434/315 simplified gives 62/45
- So, 21/35 + 7/9 = 62/45
In mixed form: 117/45
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