Add 54/12 and 70/40
1st number: 4 6/12, 2nd number: 1 30/40
54/12 + 70/40 is 25/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 40 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 12 × 10 = 120,
54/12 = 54 × 10/12 × 10 = 540/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
70/40 = 70 × 3/40 × 3 = 210/120 - Add the two like fractions:
540/120 + 210/120 = 540 + 210/120 = 750/120 - 750/120 simplified gives 25/4
- So, 54/12 + 70/40 = 25/4
In mixed form: 61/4
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