Add 72/10 and 70/40
1st number: 7 2/10, 2nd number: 1 30/40
72/10 + 70/40 is 179/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 40 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 10 × 4 = 40,
72/10 = 72 × 4/10 × 4 = 288/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
70/40 = 70 × 1/40 × 1 = 70/40 - Add the two like fractions:
288/40 + 70/40 = 288 + 70/40 = 358/40 - 358/40 simplified gives 179/20
- So, 72/10 + 70/40 = 179/20
In mixed form: 819/20
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