Add 70/12 and 54/80
1st number: 5 10/12, 2nd number: 54/80
70/12 + 54/80 is 781/120.
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,
54/80 = 54 × 3/80 × 3 = 162/240 - Add the two like fractions:
1400/240 + 162/240 = 1400 + 162/240 = 1562/240 - 1562/240 simplified gives 781/120
- So, 70/12 + 54/80 = 781/120
In mixed form: 661/120
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