Add 84/25 and 20/72
1st number: 3 9/25, 2nd number: 20/72
84/25 + 20/72 is 1637/450.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 72 is 1800
Next, find the equivalent fraction of both fractional numbers with denominator 1800 - For the 1st fraction, since 25 × 72 = 1800,
84/25 = 84 × 72/25 × 72 = 6048/1800 - Likewise, for the 2nd fraction, since 72 × 25 = 1800,
20/72 = 20 × 25/72 × 25 = 500/1800 - Add the two like fractions:
6048/1800 + 500/1800 = 6048 + 500/1800 = 6548/1800 - 6548/1800 simplified gives 1637/450
- So, 84/25 + 20/72 = 1637/450
In mixed form: 3287/450
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