Add 15/70 and 21/24
15/70 + 21/24 is 61/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 24 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 70 × 12 = 840,
15/70 = 15 × 12/70 × 12 = 180/840 - Likewise, for the 2nd fraction, since 24 × 35 = 840,
21/24 = 21 × 35/24 × 35 = 735/840 - Add the two like fractions:
180/840 + 735/840 = 180 + 735/840 = 915/840 - 915/840 simplified gives 61/56
- So, 15/70 + 21/24 = 61/56
In mixed form: 15/56
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