Add 21/15 and 24/18
1st number: 1 6/15, 2nd number: 1 6/18
21/15 + 24/18 is 41/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 18 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 18 × 5 = 90,
24/18 = 24 × 5/18 × 5 = 120/90 - Add the two like fractions:
126/90 + 120/90 = 126 + 120/90 = 246/90 - 246/90 simplified gives 41/15
- So, 21/15 + 24/18 = 41/15
In mixed form: 211/15
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