Add 15/36 and 72/70
1st number: 15/36, 2nd number: 1 2/70
15/36 + 72/70 is 607/420.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 70 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 36 × 35 = 1260,
15/36 = 15 × 35/36 × 35 = 525/1260 - Likewise, for the 2nd fraction, since 70 × 18 = 1260,
72/70 = 72 × 18/70 × 18 = 1296/1260 - Add the two like fractions:
525/1260 + 1296/1260 = 525 + 1296/1260 = 1821/1260 - 1821/1260 simplified gives 607/420
- So, 15/36 + 72/70 = 607/420
In mixed form: 1187/420
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