Add 3/4 and 70/72
3/4 + 70/72 is 31/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 4 × 18 = 72,
3/4 = 3 × 18/4 × 18 = 54/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
70/72 = 70 × 1/72 × 1 = 70/72 - Add the two like fractions:
54/72 + 70/72 = 54 + 70/72 = 124/72 - 124/72 simplified gives 31/18
- So, 3/4 + 70/72 = 31/18
In mixed form: 113/18
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