Add 54/84 and 24/15
1st number: 54/84, 2nd number: 1 9/15
54/84 + 24/15 is 157/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 15 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 84 × 5 = 420,
54/84 = 54 × 5/84 × 5 = 270/420 - Likewise, for the 2nd fraction, since 15 × 28 = 420,
24/15 = 24 × 28/15 × 28 = 672/420 - Add the two like fractions:
270/420 + 672/420 = 270 + 672/420 = 942/420 - 942/420 simplified gives 157/70
- So, 54/84 + 24/15 = 157/70
In mixed form: 217/70
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