Add 36/45 and 75/21
1st number: 36/45, 2nd number: 3 12/21
36/45 + 75/21 is 153/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 21 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 45 × 7 = 315,
36/45 = 36 × 7/45 × 7 = 252/315 - Likewise, for the 2nd fraction, since 21 × 15 = 315,
75/21 = 75 × 15/21 × 15 = 1125/315 - Add the two like fractions:
252/315 + 1125/315 = 252 + 1125/315 = 1377/315 - 1377/315 simplified gives 153/35
- So, 36/45 + 75/21 = 153/35
In mixed form: 413/35
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