Add 21/72 and 84/5
1st number: 21/72, 2nd number: 16 4/5
21/72 + 84/5 is 2051/120.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 5 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 72 × 5 = 360,
21/72 = 21 × 5/72 × 5 = 105/360 - Likewise, for the 2nd fraction, since 5 × 72 = 360,
84/5 = 84 × 72/5 × 72 = 6048/360 - Add the two like fractions:
105/360 + 6048/360 = 105 + 6048/360 = 6153/360 - 6153/360 simplified gives 2051/120
- So, 21/72 + 84/5 = 2051/120
In mixed form: 1711/120
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