Add 84/40 and 90/56
1st number: 2 4/40, 2nd number: 1 34/56
84/40 + 90/56 is 519/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 56 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 40 × 7 = 280,
84/40 = 84 × 7/40 × 7 = 588/280 - Likewise, for the 2nd fraction, since 56 × 5 = 280,
90/56 = 90 × 5/56 × 5 = 450/280 - Add the two like fractions:
588/280 + 450/280 = 588 + 450/280 = 1038/280 - 1038/280 simplified gives 519/140
- So, 84/40 + 90/56 = 519/140
In mixed form: 399/140
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