Add 72/70 and 45/56
1st number: 1 2/70, 2nd number: 45/56
72/70 + 45/56 is 513/280.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 56 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 70 × 4 = 280,
72/70 = 72 × 4/70 × 4 = 288/280 - Likewise, for the 2nd fraction, since 56 × 5 = 280,
45/56 = 45 × 5/56 × 5 = 225/280 - Add the two like fractions:
288/280 + 225/280 = 288 + 225/280 = 513/280 - So, 72/70 + 45/56 = 513/280
In mixed form: 1233/280
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