Add 90/75 and 20/36
1st number: 1 15/75, 2nd number: 20/36
90/75 + 20/36 is 79/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 36 is 900
Next, find the equivalent fraction of both fractional numbers with denominator 900 - For the 1st fraction, since 75 × 12 = 900,
90/75 = 90 × 12/75 × 12 = 1080/900 - Likewise, for the 2nd fraction, since 36 × 25 = 900,
20/36 = 20 × 25/36 × 25 = 500/900 - Add the two like fractions:
1080/900 + 500/900 = 1080 + 500/900 = 1580/900 - 1580/900 simplified gives 79/45
- So, 90/75 + 20/36 = 79/45
In mixed form: 134/45
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