Add 21/60 and 54/14
1st number: 21/60, 2nd number: 3 12/14
21/60 + 54/14 is 589/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 14 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 60 × 7 = 420,
21/60 = 21 × 7/60 × 7 = 147/420 - Likewise, for the 2nd fraction, since 14 × 30 = 420,
54/14 = 54 × 30/14 × 30 = 1620/420 - Add the two like fractions:
147/420 + 1620/420 = 147 + 1620/420 = 1767/420 - 1767/420 simplified gives 589/140
- So, 21/60 + 54/14 = 589/140
In mixed form: 429/140
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