Add 28/15 and 75/72
1st number: 1 13/15, 2nd number: 1 3/72
28/15 + 75/72 is 349/120.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 15 × 24 = 360,
28/15 = 28 × 24/15 × 24 = 672/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
75/72 = 75 × 5/72 × 5 = 375/360 - Add the two like fractions:
672/360 + 375/360 = 672 + 375/360 = 1047/360 - 1047/360 simplified gives 349/120
- So, 28/15 + 75/72 = 349/120
In mixed form: 2109/120
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