Add 4/72 and 70/25
1st number: 4/72, 2nd number: 2 20/25
4/72 + 70/25 is 257/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 25 is 1800
Next, find the equivalent fraction of both fractional numbers with denominator 1800 - For the 1st fraction, since 72 × 25 = 1800,
4/72 = 4 × 25/72 × 25 = 100/1800 - Likewise, for the 2nd fraction, since 25 × 72 = 1800,
70/25 = 70 × 72/25 × 72 = 5040/1800 - Add the two like fractions:
100/1800 + 5040/1800 = 100 + 5040/1800 = 5140/1800 - 5140/1800 simplified gives 257/90
- So, 4/72 + 70/25 = 257/90
In mixed form: 277/90
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