Add 21/36 and 45/50
21/36 + 45/50 is 89/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 50 is 900
Next, find the equivalent fraction of both fractional numbers with denominator 900 - For the 1st fraction, since 36 × 25 = 900,
21/36 = 21 × 25/36 × 25 = 525/900 - Likewise, for the 2nd fraction, since 50 × 18 = 900,
45/50 = 45 × 18/50 × 18 = 810/900 - Add the two like fractions:
525/900 + 810/900 = 525 + 810/900 = 1335/900 - 1335/900 simplified gives 89/60
- So, 21/36 + 45/50 = 89/60
In mixed form: 129/60
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