Add 70/28 and 84/60
1st number: 2 14/28, 2nd number: 1 24/60
70/28 + 84/60 is 39/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 60 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 28 × 15 = 420,
70/28 = 70 × 15/28 × 15 = 1050/420 - Likewise, for the 2nd fraction, since 60 × 7 = 420,
84/60 = 84 × 7/60 × 7 = 588/420 - Add the two like fractions:
1050/420 + 588/420 = 1050 + 588/420 = 1638/420 - 1638/420 simplified gives 39/10
- So, 70/28 + 84/60 = 39/10
In mixed form: 39/10
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