Add 70/72 and 70/40
1st number: 70/72, 2nd number: 1 30/40
70/72 + 70/40 is 49/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 40 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 72 × 5 = 360,
70/72 = 70 × 5/72 × 5 = 350/360 - Likewise, for the 2nd fraction, since 40 × 9 = 360,
70/40 = 70 × 9/40 × 9 = 630/360 - Add the two like fractions:
350/360 + 630/360 = 350 + 630/360 = 980/360 - 980/360 simplified gives 49/18
- So, 70/72 + 70/40 = 49/18
In mixed form: 213/18
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