Add 72/70 and 1/40
1st number: 1 2/70, 2nd number: 1/40
72/70 + 1/40 is 59/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 40 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 40 × 7 = 280,
1/40 = 1 × 7/40 × 7 = 7/280 - Add the two like fractions:
288/280 + 7/280 = 288 + 7/280 = 295/280 - 295/280 simplified gives 59/56
- So, 72/70 + 1/40 = 59/56
In mixed form: 13/56
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