Add 54/48 and 21/40
1st number: 1 6/48, 2nd number: 21/40
54/48 + 21/40 is 33/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 40 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 48 × 5 = 240,
54/48 = 54 × 5/48 × 5 = 270/240 - Likewise, for the 2nd fraction, since 40 × 6 = 240,
21/40 = 21 × 6/40 × 6 = 126/240 - Add the two like fractions:
270/240 + 126/240 = 270 + 126/240 = 396/240 - 396/240 simplified gives 33/20
- So, 54/48 + 21/40 = 33/20
In mixed form: 113/20
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