Add 28/70 and 42/4
1st number: 28/70, 2nd number: 10 2/4
28/70 + 42/4 is 109/10.
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,
28/70 = 28 × 2/70 × 2 = 56/140 - Likewise, for the 2nd fraction, since 4 × 35 = 140,
42/4 = 42 × 35/4 × 35 = 1470/140 - Add the two like fractions:
56/140 + 1470/140 = 56 + 1470/140 = 1526/140 - 1526/140 simplified gives 109/10
- So, 28/70 + 42/4 = 109/10
In mixed form: 109/10
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