Add 24/40 and 45/42
1st number: 24/40, 2nd number: 1 3/42
24/40 + 45/42 is 117/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 42 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 40 × 21 = 840,
24/40 = 24 × 21/40 × 21 = 504/840 - Likewise, for the 2nd fraction, since 42 × 20 = 840,
45/42 = 45 × 20/42 × 20 = 900/840 - Add the two like fractions:
504/840 + 900/840 = 504 + 900/840 = 1404/840 - 1404/840 simplified gives 117/70
- So, 24/40 + 45/42 = 117/70
In mixed form: 147/70
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