Add 9/5 and 21/56
1st number: 1 4/5, 2nd number: 21/56
9/5 + 21/56 is 87/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 56 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 5 × 56 = 280,
9/5 = 9 × 56/5 × 56 = 504/280 - Likewise, for the 2nd fraction, since 56 × 5 = 280,
21/56 = 21 × 5/56 × 5 = 105/280 - Add the two like fractions:
504/280 + 105/280 = 504 + 105/280 = 609/280 - 609/280 simplified gives 87/40
- So, 9/5 + 21/56 = 87/40
In mixed form: 27/40
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