Add 54/40 and 20/70
1st number: 1 14/40, 2nd number: 20/70
54/40 + 20/70 is 229/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 70 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 40 × 7 = 280,
54/40 = 54 × 7/40 × 7 = 378/280 - Likewise, for the 2nd fraction, since 70 × 4 = 280,
20/70 = 20 × 4/70 × 4 = 80/280 - Add the two like fractions:
378/280 + 80/280 = 378 + 80/280 = 458/280 - 458/280 simplified gives 229/140
- So, 54/40 + 20/70 = 229/140
In mixed form: 189/140
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