Add 45/56 and 30/70
45/56 + 30/70 is 69/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 70 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 56 × 5 = 280,
45/56 = 45 × 5/56 × 5 = 225/280 - Likewise, for the 2nd fraction, since 70 × 4 = 280,
30/70 = 30 × 4/70 × 4 = 120/280 - Add the two like fractions:
225/280 + 120/280 = 225 + 120/280 = 345/280 - 345/280 simplified gives 69/56
- So, 45/56 + 30/70 = 69/56
In mixed form: 113/56
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