Add 10/15 and 21/7
1st number: 10/15, 2nd number: 3 0/7
10/15 + 21/7 is 11/3.
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,
10/15 = 10 × 7/15 × 7 = 70/105 - Likewise, for the 2nd fraction, since 7 × 15 = 105,
21/7 = 21 × 15/7 × 15 = 315/105 - Add the two like fractions:
70/105 + 315/105 = 70 + 315/105 = 385/105 - 385/105 simplified gives 11/3
- So, 10/15 + 21/7 = 11/3
In mixed form: 32/3
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