Add 21/54 and 70/50
1st number: 21/54, 2nd number: 1 20/50
21/54 + 70/50 is 161/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 50 is 1350
Next, find the equivalent fraction of both fractional numbers with denominator 1350 - For the 1st fraction, since 54 × 25 = 1350,
21/54 = 21 × 25/54 × 25 = 525/1350 - Likewise, for the 2nd fraction, since 50 × 27 = 1350,
70/50 = 70 × 27/50 × 27 = 1890/1350 - Add the two like fractions:
525/1350 + 1890/1350 = 525 + 1890/1350 = 2415/1350 - 2415/1350 simplified gives 161/90
- So, 21/54 + 70/50 = 161/90
In mixed form: 171/90
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