Add 21/25 and 72/32
1st number: 21/25, 2nd number: 2 8/32
21/25 + 72/32 is 309/100.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 32 is 800
Next, find the equivalent fraction of both fractional numbers with denominator 800 - For the 1st fraction, since 25 × 32 = 800,
21/25 = 21 × 32/25 × 32 = 672/800 - Likewise, for the 2nd fraction, since 32 × 25 = 800,
72/32 = 72 × 25/32 × 25 = 1800/800 - Add the two like fractions:
672/800 + 1800/800 = 672 + 1800/800 = 2472/800 - 2472/800 simplified gives 309/100
- So, 21/25 + 72/32 = 309/100
In mixed form: 39/100
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