Add 18/80 and 70/12
1st number: 18/80, 2nd number: 5 10/12
18/80 + 70/12 is 727/120.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 12 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 80 × 3 = 240,
18/80 = 18 × 3/80 × 3 = 54/240 - Likewise, for the 2nd fraction, since 12 × 20 = 240,
70/12 = 70 × 20/12 × 20 = 1400/240 - Add the two like fractions:
54/240 + 1400/240 = 54 + 1400/240 = 1454/240 - 1454/240 simplified gives 727/120
- So, 18/80 + 70/12 = 727/120
In mixed form: 67/120
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