Add 80/56 and 70/42
1st number: 1 24/56, 2nd number: 1 28/42
80/56 + 70/42 is 65/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 42 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 56 × 3 = 168,
80/56 = 80 × 3/56 × 3 = 240/168 - Likewise, for the 2nd fraction, since 42 × 4 = 168,
70/42 = 70 × 4/42 × 4 = 280/168 - Add the two like fractions:
240/168 + 280/168 = 240 + 280/168 = 520/168 - 520/168 simplified gives 65/21
- So, 80/56 + 70/42 = 65/21
In mixed form: 32/21
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