Add 75/15 and 21/18
1st number: 5 0/15, 2nd number: 1 3/18
75/15 + 21/18 is 37/6.
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,
75/15 = 75 × 6/15 × 6 = 450/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
21/18 = 21 × 5/18 × 5 = 105/90 - Add the two like fractions:
450/90 + 105/90 = 450 + 105/90 = 555/90 - 555/90 simplified gives 37/6
- So, 75/15 + 21/18 = 37/6
In mixed form: 61/6
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