Add 5/4 and 70/72
1st number: 1 1/4, 2nd number: 70/72
5/4 + 70/72 is 20/9.
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,
5/4 = 5 × 18/4 × 18 = 90/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
70/72 = 70 × 1/72 × 1 = 70/72 - Add the two like fractions:
90/72 + 70/72 = 90 + 70/72 = 160/72 - 160/72 simplified gives 20/9
- So, 5/4 + 70/72 = 20/9
In mixed form: 22/9
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