Add 54/40 and 27/21
1st number: 1 14/40, 2nd number: 1 6/21
54/40 + 27/21 is 369/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 21 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 40 × 21 = 840,
54/40 = 54 × 21/40 × 21 = 1134/840 - Likewise, for the 2nd fraction, since 21 × 40 = 840,
27/21 = 27 × 40/21 × 40 = 1080/840 - Add the two like fractions:
1134/840 + 1080/840 = 1134 + 1080/840 = 2214/840 - 2214/840 simplified gives 369/140
- So, 54/40 + 27/21 = 369/140
In mixed form: 289/140
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