Add 21/4 and 60/40
1st number: 5 1/4, 2nd number: 1 20/40
21/4 + 60/40 is 27/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 40 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 4 × 10 = 40,
21/4 = 21 × 10/4 × 10 = 210/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
60/40 = 60 × 1/40 × 1 = 60/40 - Add the two like fractions:
210/40 + 60/40 = 210 + 60/40 = 270/40 - 270/40 simplified gives 27/4
- So, 21/4 + 60/40 = 27/4
In mixed form: 63/4
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