Add 75/70 and 80/56
1st number: 1 5/70, 2nd number: 1 24/56
75/70 + 80/56 is 5/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 56 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 70 × 4 = 280,
75/70 = 75 × 4/70 × 4 = 300/280 - Likewise, for the 2nd fraction, since 56 × 5 = 280,
80/56 = 80 × 5/56 × 5 = 400/280 - Add the two like fractions:
300/280 + 400/280 = 300 + 400/280 = 700/280 - 700/280 simplified gives 5/2
- So, 75/70 + 80/56 = 5/2
In mixed form: 21/2
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