Add 90/36 and 21/35
1st number: 2 18/36, 2nd number: 21/35
90/36 + 21/35 is 31/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 35 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 36 × 35 = 1260,
90/36 = 90 × 35/36 × 35 = 3150/1260 - Likewise, for the 2nd fraction, since 35 × 36 = 1260,
21/35 = 21 × 36/35 × 36 = 756/1260 - Add the two like fractions:
3150/1260 + 756/1260 = 3150 + 756/1260 = 3906/1260 - 3906/1260 simplified gives 31/10
- So, 90/36 + 21/35 = 31/10
In mixed form: 31/10
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