Add 3/56 and 12/5
1st number: 3/56, 2nd number: 2 2/5
3/56 + 12/5 is 687/280.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 5 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 56 × 5 = 280,
3/56 = 3 × 5/56 × 5 = 15/280 - Likewise, for the 2nd fraction, since 5 × 56 = 280,
12/5 = 12 × 56/5 × 56 = 672/280 - Add the two like fractions:
15/280 + 672/280 = 15 + 672/280 = 687/280 - So, 3/56 + 12/5 = 687/280
In mixed form: 2127/280
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