Add 81/72 and 32/50
1st number: 1 9/72, 2nd number: 32/50
81/72 + 32/50 is 353/200.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 50 is 1800
Next, find the equivalent fraction of both fractional numbers with denominator 1800 - For the 1st fraction, since 72 × 25 = 1800,
81/72 = 81 × 25/72 × 25 = 2025/1800 - Likewise, for the 2nd fraction, since 50 × 36 = 1800,
32/50 = 32 × 36/50 × 36 = 1152/1800 - Add the two like fractions:
2025/1800 + 1152/1800 = 2025 + 1152/1800 = 3177/1800 - 3177/1800 simplified gives 353/200
- So, 81/72 + 32/50 = 353/200
In mixed form: 1153/200
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/72+64/50 81/72+96/50