Add 5/70 and 81/4
1st number: 5/70, 2nd number: 20 1/4
5/70 + 81/4 is 569/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 4 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 70 × 2 = 140,
5/70 = 5 × 2/70 × 2 = 10/140 - Likewise, for the 2nd fraction, since 4 × 35 = 140,
81/4 = 81 × 35/4 × 35 = 2835/140 - Add the two like fractions:
10/140 + 2835/140 = 10 + 2835/140 = 2845/140 - 2845/140 simplified gives 569/28
- So, 5/70 + 81/4 = 569/28
In mixed form: 209/28
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