Add 12/10 and 21/54
1st number: 1 2/10, 2nd number: 21/54
12/10 + 21/54 is 143/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 54 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 10 × 27 = 270,
12/10 = 12 × 27/10 × 27 = 324/270 - Likewise, for the 2nd fraction, since 54 × 5 = 270,
21/54 = 21 × 5/54 × 5 = 105/270 - Add the two like fractions:
324/270 + 105/270 = 324 + 105/270 = 429/270 - 429/270 simplified gives 143/90
- So, 12/10 + 21/54 = 143/90
In mixed form: 153/90
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