Add 28/8 and 42/70
1st number: 3 4/8, 2nd number: 42/70
28/8 + 42/70 is 41/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 70 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 8 × 35 = 280,
28/8 = 28 × 35/8 × 35 = 980/280 - Likewise, for the 2nd fraction, since 70 × 4 = 280,
42/70 = 42 × 4/70 × 4 = 168/280 - Add the two like fractions:
980/280 + 168/280 = 980 + 168/280 = 1148/280 - 1148/280 simplified gives 41/10
- So, 28/8 + 42/70 = 41/10
In mixed form: 41/10
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