Add 5/15 and 20/7
1st number: 5/15, 2nd number: 2 6/7
5/15 + 20/7 is 67/21.
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,
5/15 = 5 × 7/15 × 7 = 35/105 - Likewise, for the 2nd fraction, since 7 × 15 = 105,
20/7 = 20 × 15/7 × 15 = 300/105 - Add the two like fractions:
35/105 + 300/105 = 35 + 300/105 = 335/105 - 335/105 simplified gives 67/21
- So, 5/15 + 20/7 = 67/21
In mixed form: 34/21
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