Add 70/84 and 5/4
1st number: 70/84, 2nd number: 1 1/4
70/84 + 5/4 is 25/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 4 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 84 × 1 = 84,
70/84 = 70 × 1/84 × 1 = 70/84 - Likewise, for the 2nd fraction, since 4 × 21 = 84,
5/4 = 5 × 21/4 × 21 = 105/84 - Add the two like fractions:
70/84 + 105/84 = 70 + 105/84 = 175/84 - 175/84 simplified gives 25/12
- So, 70/84 + 5/4 = 25/12
In mixed form: 21/12
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