Add 70/72 and 45/32
1st number: 70/72, 2nd number: 1 13/32
70/72 + 45/32 is 685/288.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 32 is 288
Next, find the equivalent fraction of both fractional numbers with denominator 288 - For the 1st fraction, since 72 × 4 = 288,
70/72 = 70 × 4/72 × 4 = 280/288 - Likewise, for the 2nd fraction, since 32 × 9 = 288,
45/32 = 45 × 9/32 × 9 = 405/288 - Add the two like fractions:
280/288 + 405/288 = 280 + 405/288 = 685/288 - So, 70/72 + 45/32 = 685/288
In mixed form: 2109/288
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