Add 9/15 and 2/7
9/15 + 2/7 is 31/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 7 is 105
Next, find the equivalent fraction of both fractional numbers with denominator 105 - For the 1st fraction, since 15 × 7 = 105,
9/15 = 9 × 7/15 × 7 = 63/105 - Likewise, for the 2nd fraction, since 7 × 15 = 105,
2/7 = 2 × 15/7 × 15 = 30/105 - Add the two like fractions:
63/105 + 30/105 = 63 + 30/105 = 93/105 - 93/105 simplified gives 31/35
- So, 9/15 + 2/7 = 31/35
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