Add 42/24 and 90/25
1st number: 1 18/24, 2nd number: 3 15/25
42/24 + 90/25 is 107/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 25 is 600
Next, find the equivalent fraction of both fractional numbers with denominator 600 - For the 1st fraction, since 24 × 25 = 600,
42/24 = 42 × 25/24 × 25 = 1050/600 - Likewise, for the 2nd fraction, since 25 × 24 = 600,
90/25 = 90 × 24/25 × 24 = 2160/600 - Add the two like fractions:
1050/600 + 2160/600 = 1050 + 2160/600 = 3210/600 - 3210/600 simplified gives 107/20
- So, 42/24 + 90/25 = 107/20
In mixed form: 57/20
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