Add 42/40 and 3/72
1st number: 1 2/40, 2nd number: 3/72
42/40 + 3/72 is 131/120.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 40 × 9 = 360,
42/40 = 42 × 9/40 × 9 = 378/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
3/72 = 3 × 5/72 × 5 = 15/360 - Add the two like fractions:
378/360 + 15/360 = 378 + 15/360 = 393/360 - 393/360 simplified gives 131/120
- So, 42/40 + 3/72 = 131/120
In mixed form: 111/120
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