Add 3/72 and 84/45
1st number: 3/72, 2nd number: 1 39/45
3/72 + 84/45 is 229/120.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 45 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 72 × 5 = 360,
3/72 = 3 × 5/72 × 5 = 15/360 - Likewise, for the 2nd fraction, since 45 × 8 = 360,
84/45 = 84 × 8/45 × 8 = 672/360 - Add the two like fractions:
15/360 + 672/360 = 15 + 672/360 = 687/360 - 687/360 simplified gives 229/120
- So, 3/72 + 84/45 = 229/120
In mixed form: 1109/120
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