Add 70/12 and 90/80
1st number: 5 10/12, 2nd number: 1 10/80
70/12 + 90/80 is 167/24.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 80 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 12 × 20 = 240,
70/12 = 70 × 20/12 × 20 = 1400/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
90/80 = 90 × 3/80 × 3 = 270/240 - Add the two like fractions:
1400/240 + 270/240 = 1400 + 270/240 = 1670/240 - 1670/240 simplified gives 167/24
- So, 70/12 + 90/80 = 167/24
In mixed form: 623/24
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