Add 21/15 and 6/90
1st number: 1 6/15, 2nd number: 6/90
21/15 + 6/90 is 22/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 15 × 6 = 90,
21/15 = 21 × 6/15 × 6 = 126/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
6/90 = 6 × 1/90 × 1 = 6/90 - Add the two like fractions:
126/90 + 6/90 = 126 + 6/90 = 132/90 - 132/90 simplified gives 22/15
- So, 21/15 + 6/90 = 22/15
In mixed form: 17/15
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