Add 15/45 and 42/24
1st number: 15/45, 2nd number: 1 18/24
15/45 + 42/24 is 25/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 24 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 45 × 8 = 360,
15/45 = 15 × 8/45 × 8 = 120/360 - Likewise, for the 2nd fraction, since 24 × 15 = 360,
42/24 = 42 × 15/24 × 15 = 630/360 - Add the two like fractions:
120/360 + 630/360 = 120 + 630/360 = 750/360 - 750/360 simplified gives 25/12
- So, 15/45 + 42/24 = 25/12
In mixed form: 21/12
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