Add 2/15 and 21/7
1st number: 2/15, 2nd number: 3 0/7
2/15 + 21/7 is 47/15.
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,
2/15 = 2 × 7/15 × 7 = 14/105 - Likewise, for the 2nd fraction, since 7 × 15 = 105,
21/7 = 21 × 15/7 × 15 = 315/105 - Add the two like fractions:
14/105 + 315/105 = 14 + 315/105 = 329/105 - 329/105 simplified gives 47/15
- So, 2/15 + 21/7 = 47/15
In mixed form: 32/15
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