Add 28/5 and 42/70
1st number: 5 3/5, 2nd number: 42/70
28/5 + 42/70 is 31/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 70 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 5 × 14 = 70,
28/5 = 28 × 14/5 × 14 = 392/70 - Likewise, for the 2nd fraction, since 70 × 1 = 70,
42/70 = 42 × 1/70 × 1 = 42/70 - Add the two like fractions:
392/70 + 42/70 = 392 + 42/70 = 434/70 - 434/70 simplified gives 31/5
- So, 28/5 + 42/70 = 31/5
In mixed form: 61/5
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