Add 70/72 and 25/40
70/72 + 25/40 is 115/72.
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,
70/72 = 70 × 5/72 × 5 = 350/360 - Likewise, for the 2nd fraction, since 40 × 9 = 360,
25/40 = 25 × 9/40 × 9 = 225/360 - Add the two like fractions:
350/360 + 225/360 = 350 + 225/360 = 575/360 - 575/360 simplified gives 115/72
- So, 70/72 + 25/40 = 115/72
In mixed form: 143/72
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