Add 90/25 and 42/36
1st number: 3 15/25, 2nd number: 1 6/36
90/25 + 42/36 is 143/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 36 is 900
Next, find the equivalent fraction of both fractional numbers with denominator 900 - For the 1st fraction, since 25 × 36 = 900,
90/25 = 90 × 36/25 × 36 = 3240/900 - Likewise, for the 2nd fraction, since 36 × 25 = 900,
42/36 = 42 × 25/36 × 25 = 1050/900 - Add the two like fractions:
3240/900 + 1050/900 = 3240 + 1050/900 = 4290/900 - 4290/900 simplified gives 143/30
- So, 90/25 + 42/36 = 143/30
In mixed form: 423/30
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