Add 15/72 and 48/40
1st number: 15/72, 2nd number: 1 8/40
15/72 + 48/40 is 169/120.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 40 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 72 × 5 = 360,
15/72 = 15 × 5/72 × 5 = 75/360 - Likewise, for the 2nd fraction, since 40 × 9 = 360,
48/40 = 48 × 9/40 × 9 = 432/360 - Add the two like fractions:
75/360 + 432/360 = 75 + 432/360 = 507/360 - 507/360 simplified gives 169/120
- So, 15/72 + 48/40 = 169/120
In mixed form: 149/120
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