Add 10/15 and 21/35
10/15 + 21/35 is 19/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 35 is 105
Next, find the equivalent fraction of both fractional numbers with denominator 105 - For the 1st fraction, since 15 × 7 = 105,
10/15 = 10 × 7/15 × 7 = 70/105 - Likewise, for the 2nd fraction, since 35 × 3 = 105,
21/35 = 21 × 3/35 × 3 = 63/105 - Add the two like fractions:
70/105 + 63/105 = 70 + 63/105 = 133/105 - 133/105 simplified gives 19/15
- So, 10/15 + 21/35 = 19/15
In mixed form: 14/15
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