Add 21/6 and 90/14
1st number: 3 3/6, 2nd number: 6 6/14
21/6 + 90/14 is 139/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 14 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 6 × 7 = 42,
21/6 = 21 × 7/6 × 7 = 147/42 - Likewise, for the 2nd fraction, since 14 × 3 = 42,
90/14 = 90 × 3/14 × 3 = 270/42 - Add the two like fractions:
147/42 + 270/42 = 147 + 270/42 = 417/42 - 417/42 simplified gives 139/14
- So, 21/6 + 90/14 = 139/14
In mixed form: 913/14
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