Add 6/12 and 21/45
6/12 + 21/45 is 29/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 45 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 12 × 15 = 180,
6/12 = 6 × 15/12 × 15 = 90/180 - Likewise, for the 2nd fraction, since 45 × 4 = 180,
21/45 = 21 × 4/45 × 4 = 84/180 - Add the two like fractions:
90/180 + 84/180 = 90 + 84/180 = 174/180 - 174/180 simplified gives 29/30
- So, 6/12 + 21/45 = 29/30
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