Add 42/56 and 28/60
42/56 + 28/60 is 73/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 60 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 56 × 15 = 840,
42/56 = 42 × 15/56 × 15 = 630/840 - Likewise, for the 2nd fraction, since 60 × 14 = 840,
28/60 = 28 × 14/60 × 14 = 392/840 - Add the two like fractions:
630/840 + 392/840 = 630 + 392/840 = 1022/840 - 1022/840 simplified gives 73/60
- So, 42/56 + 28/60 = 73/60
In mixed form: 113/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/56+28/60 42/56+56/60 42/56+84/60