Add 25/24 and 21/70, Solve 1 1/24 + 21/70 as a fraction

Add 25/24 and 21/70

1^st number: 1 1/24, 2^nd number: 21/70

25/24 + 21/70 is 161/120.

Find the least common denominator or LCM of the two denominators:
LCM of 24 and 70 is 840

Next, find the equivalent fraction of both fractional numbers with denominator 840
For the 1st fraction, since 24 × 35 = 840,
25/24 = 25 × 35/24 × 35 = 875/840
Likewise, for the 2nd fraction, since 70 × 12 = 840,
21/70 = 21 × 12/70 × 12 = 252/840
Add the two like fractions:
875/840 + 252/840 = 875 + 252/840 = 1127/840
1127/840 simplified gives 161/120
So, 25/24 + 21/70 = 161/120
In mixed form: 141/120

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