Add 20/16 and 70/72
1st number: 1 4/16, 2nd number: 70/72
20/16 + 70/72 is 20/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 72 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 16 × 9 = 144,
20/16 = 20 × 9/16 × 9 = 180/144 - Likewise, for the 2nd fraction, since 72 × 2 = 144,
70/72 = 70 × 2/72 × 2 = 140/144 - Add the two like fractions:
180/144 + 140/144 = 180 + 140/144 = 320/144 - 320/144 simplified gives 20/9
- So, 20/16 + 70/72 = 20/9
In mixed form: 22/9
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