Add 72/70 and 90/56
1st number: 1 2/70, 2nd number: 1 34/56
72/70 + 90/56 is 369/140.
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,
90/56 = 90 × 5/56 × 5 = 450/280 - Add the two like fractions:
288/280 + 450/280 = 288 + 450/280 = 738/280 - 738/280 simplified gives 369/140
- So, 72/70 + 90/56 = 369/140
In mixed form: 289/140
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