Add 30/50 and 45/72
30/50 + 45/72 is 49/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 72 is 1800
Next, find the equivalent fraction of both fractional numbers with denominator 1800 - For the 1st fraction, since 50 × 36 = 1800,
30/50 = 30 × 36/50 × 36 = 1080/1800 - Likewise, for the 2nd fraction, since 72 × 25 = 1800,
45/72 = 45 × 25/72 × 25 = 1125/1800 - Add the two like fractions:
1080/1800 + 1125/1800 = 1080 + 1125/1800 = 2205/1800 - 2205/1800 simplified gives 49/40
- So, 30/50 + 45/72 = 49/40
In mixed form: 19/40
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