Add 72/70 and 12/56
1st number: 1 2/70, 2nd number: 12/56
72/70 + 12/56 is 87/70.
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,
12/56 = 12 × 5/56 × 5 = 60/280 - Add the two like fractions:
288/280 + 60/280 = 288 + 60/280 = 348/280 - 348/280 simplified gives 87/70
- So, 72/70 + 12/56 = 87/70
In mixed form: 117/70
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