Add 21/45 and 42/24
1st number: 21/45, 2nd number: 1 18/24
21/45 + 42/24 is 133/60.
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,
21/45 = 21 × 8/45 × 8 = 168/360 - Likewise, for the 2nd fraction, since 24 × 15 = 360,
42/24 = 42 × 15/24 × 15 = 630/360 - Add the two like fractions:
168/360 + 630/360 = 168 + 630/360 = 798/360 - 798/360 simplified gives 133/60
- So, 21/45 + 42/24 = 133/60
In mixed form: 213/60
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