Add 54/21 and 25/80
1st number: 2 12/21, 2nd number: 25/80
54/21 + 25/80 is 323/112.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 80 is 1680
Next, find the equivalent fraction of both fractional numbers with denominator 1680 - For the 1st fraction, since 21 × 80 = 1680,
54/21 = 54 × 80/21 × 80 = 4320/1680 - Likewise, for the 2nd fraction, since 80 × 21 = 1680,
25/80 = 25 × 21/80 × 21 = 525/1680 - Add the two like fractions:
4320/1680 + 525/1680 = 4320 + 525/1680 = 4845/1680 - 4845/1680 simplified gives 323/112
- So, 54/21 + 25/80 = 323/112
In mixed form: 299/112
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