Add 20/32 and 45/70
20/32 + 45/70 is 71/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 70 is 1120
Next, find the equivalent fraction of both fractional numbers with denominator 1120 - For the 1st fraction, since 32 × 35 = 1120,
20/32 = 20 × 35/32 × 35 = 700/1120 - Likewise, for the 2nd fraction, since 70 × 16 = 1120,
45/70 = 45 × 16/70 × 16 = 720/1120 - Add the two like fractions:
700/1120 + 720/1120 = 700 + 720/1120 = 1420/1120 - 1420/1120 simplified gives 71/56
- So, 20/32 + 45/70 = 71/56
In mixed form: 115/56
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