Add 42/10 and 54/72
1st number: 4 2/10, 2nd number: 54/72
42/10 + 54/72 is 99/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 10 × 36 = 360,
42/10 = 42 × 36/10 × 36 = 1512/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
54/72 = 54 × 5/72 × 5 = 270/360 - Add the two like fractions:
1512/360 + 270/360 = 1512 + 270/360 = 1782/360 - 1782/360 simplified gives 99/20
- So, 42/10 + 54/72 = 99/20
In mixed form: 419/20
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