Add 45/56 and 75/70
1st number: 45/56, 2nd number: 1 5/70
45/56 + 75/70 is 15/8.
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,
75/70 = 75 × 4/70 × 4 = 300/280 - Add the two like fractions:
225/280 + 300/280 = 225 + 300/280 = 525/280 - 525/280 simplified gives 15/8
- So, 45/56 + 75/70 = 15/8
In mixed form: 17/8
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