Add 84/5 and 40/72
1st number: 16 4/5, 2nd number: 40/72
84/5 + 40/72 is 781/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 5 × 72 = 360,
84/5 = 84 × 72/5 × 72 = 6048/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
40/72 = 40 × 5/72 × 5 = 200/360 - Add the two like fractions:
6048/360 + 200/360 = 6048 + 200/360 = 6248/360 - 6248/360 simplified gives 781/45
- So, 84/5 + 40/72 = 781/45
In mixed form: 1716/45
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