Add 42/10 and 9/72
1st number: 4 2/10, 2nd number: 9/72
42/10 + 9/72 is 173/40.
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,
9/72 = 9 × 5/72 × 5 = 45/360 - Add the two like fractions:
1512/360 + 45/360 = 1512 + 45/360 = 1557/360 - 1557/360 simplified gives 173/40
- So, 42/10 + 9/72 = 173/40
In mixed form: 413/40
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