Add 21/15 and 50/18
1st number: 1 6/15, 2nd number: 2 14/18
21/15 + 50/18 is 188/45.
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,
50/18 = 50 × 5/18 × 5 = 250/90 - Add the two like fractions:
126/90 + 250/90 = 126 + 250/90 = 376/90 - 376/90 simplified gives 188/45
- So, 21/15 + 50/18 = 188/45
In mixed form: 48/45
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