Add 72/40 and 7/84
1st number: 1 32/40, 2nd number: 7/84
72/40 + 7/84 is 113/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 84 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 40 × 21 = 840,
72/40 = 72 × 21/40 × 21 = 1512/840 - Likewise, for the 2nd fraction, since 84 × 10 = 840,
7/84 = 7 × 10/84 × 10 = 70/840 - Add the two like fractions:
1512/840 + 70/840 = 1512 + 70/840 = 1582/840 - 1582/840 simplified gives 113/60
- So, 72/40 + 7/84 = 113/60
In mixed form: 153/60
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