Add 15/56 and 84/70
1st number: 15/56, 2nd number: 1 14/70
15/56 + 84/70 is 411/280.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 70 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 56 × 5 = 280,
15/56 = 15 × 5/56 × 5 = 75/280 - Likewise, for the 2nd fraction, since 70 × 4 = 280,
84/70 = 84 × 4/70 × 4 = 336/280 - Add the two like fractions:
75/280 + 336/280 = 75 + 336/280 = 411/280 - So, 15/56 + 84/70 = 411/280
In mixed form: 1131/280
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