Add 21/6 and 7/15
1st number: 3 3/6, 2nd number: 7/15
216 + 715 is 11930.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 15 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 6 × 5 = 30,
216 = 21 × 56 × 5 = 10530 - Likewise, for the 2nd fraction, since 15 × 2 = 30,
715 = 7 × 215 × 2 = 1430 - Add the two like fractions:
10530 + 1430 = 105 + 1430 = 11930 - So, 21/6 + 7/15 = 119/30
In mixed form: 32930
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