Add 28/15 and 45/72
1st number: 1 13/15, 2nd number: 45/72
28/15 + 45/72 is 299/120.
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,
45/72 = 45 × 5/72 × 5 = 225/360 - Add the two like fractions:
672/360 + 225/360 = 672 + 225/360 = 897/360 - 897/360 simplified gives 299/120
- So, 28/15 + 45/72 = 299/120
In mixed form: 259/120
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