Add 84/4 and 56/70
1st number: 21 0/4, 2nd number: 56/70
84/4 + 56/70 is 109/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 70 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 4 × 35 = 140,
84/4 = 84 × 35/4 × 35 = 2940/140 - Likewise, for the 2nd fraction, since 70 × 2 = 140,
56/70 = 56 × 2/70 × 2 = 112/140 - Add the two like fractions:
2940/140 + 112/140 = 2940 + 112/140 = 3052/140 - 3052/140 simplified gives 109/5
- So, 84/4 + 56/70 = 109/5
In mixed form: 214/5
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